Musings of an Old Chemist

A Chemist's Perspective on the Habits and Skills STEM Students Need For Success

Tag: problem-solving

  • Time Invested vs Personal Reward: How Your Mindset Determines Your Personal Success

    Time Invested vs Personal Reward: How Your Mindset Determines Your Personal Success

    Each of us – whether sitting in a classroom, working in a fast food restaurant after school, or running a multi-million-dollar industrial laboratory – operates under the same constraint: time. It is the equalizing factor in all our lives. There is only a limited amount of time in our lives to invest in what we do. You cannot buy more of it, pause it, or reverse it. Because time is limited, the most critical question to ask yourself early in life isn’t “What do I want to be when I grow up?” The real question is: How do I make the most of my time, and how do I make those hours worth more?

    When you enter the workforce – whether you start working straight out of high school, graduate from a technical college, or finish a university degree – you will quickly realize that the real world speaks a very different language. It doesn’t care about your good intentions, your background, or how busy you look. It cares about results. It cares about what the time you invest is actually worth.

    The Analytical Relationship

    I’ve spent the last 45 years solving practical problems, so I tend to look at life with a very analytical perspective, applying formulas wherever possible. If you want to understand why some people thrive while others with the same talent completely stall out, I can map it with a basic math relationship:

    Y=kXY\;=\;k\;*\;X

    Let me define the parameters in this formula as follows:

    • The Input (XX): This is the Time you invest. It represents the raw number of hours you punch into a time clock, spend staring at a textbook, or dedicate to practicing a skill.
    • The Reward (YY): This is your Output. Your reward is what you get back for the hours you invest – your exam score, your paycheck, your professional reputation, and the freedom to live the life you dreamed of.
    • The Multiplier (kk): This is your Mindset (state of mind). It is the combination of three everyday choices: your Attention to Detail, your willingness to be Accountable for your actions, and your Ability to Adapt to changing situations.

    Think of this multiplier, kk, as a personal Productivity Scale from 1 to 10.

    • A Level 10 Mindset means you have sharp attention to detail, you own your mistakes, and you pivot when things change. Every single hour (XX) you invest yields a massive real-world reward (YY).
    • A Level 2 Mindset means distractions plague you, you rely on a fixed way of thinking, or let your ego blind you. You can work a grueling 12-hour day, but because your multiplier is so low, your actual reward remains completely flat.

    The market does not pay for raw hours; it pays for the value you create within those hours. Your school years are a controlled environment with clear rules and safety nets. The workforce is not. To succeed there, you have to change how you think, how you handle failure, and what motivates you to show up every day.

    The School Years: Doing Just Enough vs. Doing It Right

    Looking back on my early days in college, I did not start at Level 10. Like a lot of students, I would look at a syllabus, run a quick calculation, and ask myself: What is the absolute minimum amount of work I need to do to get an acceptable grade? And because I always overestimated my abilities, I notoriously underperformed in my college classes during my first year.  

    Externally-Driven Motivation is the mindset of doing a task simply because an authority figure—a teacher, a parent, a boss—told you to. When you are driven to comply with another person’s request, your ultimate goal is just to finish. You want to take the pressure off your back, shut the book, and get your evening back so you can do what you actually enjoy.

    When you operate this way, look at what happens to your formula. For example, when your focus is split between your work and your phone, your attention to detail drops. Your multiplier (kk) hovers somewhere around a Level 2 or 3.

    Sure, you might scrape by with a decent grade, and it feels like a win. You think I saved five hours of studying and only lost a few points. I beat the system. But you didn’t beat the system; you cheated your own growth. By treating your work as just a box to be checked, you train yourself to accept mediocrity. That mindset works fine in a school classroom where the goals are predictable, but it leaves you entirely unprepared for the moment you are on your own.

    My “Dr. Walkup” Experience: Shifting from “Have To” to “Want To”

    The turning point of my life came when Dr. Walkup walked into the physics lab where I was working one Saturday morning and informed me that, regardless of my initial intention, I was changing my major from Physics to Chemistry. I had no idea who the man was and what his title in the faculty hierarchy was; in fact, I thought he was the janitor. However, if you have ever met a truly great, uncompromising mentor, you know there is no room for discussion, and they do not attempt to protect your ego. They hold up a mirror to your performance and demand that you look at the reflection.

    Dr. Walkup had incredibly high standards for me. In his lab, your notebook wasn’t just a collection of messy notes; it was a permanent record of scientific accuracy. A decimal point in the wrong place wasn’t a “careless mistake” that cost you a couple of points on a grade; it ruined a whole week’s worth of work. Verbosity, using as much “fluff” and scientific terminology as possible to try to impress him, was a mistake and poor judgment on my part. Accuracy and conciseness were the determining factors in his grading scale. He graded lab reports based on the following three things: the accuracy of the results, the completeness of the sources-of-error section, and the weight of the finished document.

    The first time I handed him a report built on my classic “good enough” student framework, he dissected it. He showed me that my lack of precision wasn’t just a minor school issue; it was a habit that would make me a liability to any employer. 

    Surviving and excelling in his classes required a radical shift in perspective toward asset-building motivation. 

    Dr. Walkup’s influence reflects the transition from working for an instructor, parent, or boss to working for yourself. No longer is a report or a laboratory analysis merely a requirement to satisfy a teacher; instead, it becomes a personal tool constructed for your own future. In this moment, you recognize that your skills represent your most significant lifelong asset. When you make this shift, your attention to detail goes up, and your multiplier (kk) moves toward a Level 10. 

    In the real world, raising your multiplier eliminates the most expensive hidden factor in any job. When a worker has a low multiplier (kk), they spend half their afternoon fixing the mistakes they made in the morning. They are working hard, but their actual progress is cut in half because they have to do the job twice. When you build attention to detail, you measure twice and cut once. You get it right the first time.

    The Workforce Reality: The Four Career-Killers

    After leaving school, I spent 45 years working in various fields. I’ve watched brilliant individuals completely wash out, and I watched average students climb to the top of their fields. The disconnect always comes down to one thing: school has an answer key, but the real world does not.

    In school, problems are neat and contained. If you follow the instructions, you get the reward. In the workforce, problems are messy, unexpected, and expensive. Things change mid-week because of budget cuts, supply delays, or emergencies. When someone enters this reality relying entirely on how smart they were in school, they hit a wall.

    Over the course of my career, I have come to recognize four specific traits in myself and others that can cause a person’s multiplier to drop to zero. Effectively killing their career growth. 

    1. Arrogance: This is the attitude that says, “I already have a diploma, so I have nothing left to learn from the person who has been operating this instrument or working for this company for twenty years.” Arrogance stops you from checking your own work. If you refuse to adapt because of your ego, your multiplier drops to zero. It doesn’t matter how many hours you clock; your value to the company flatlines.
    2. The Fixed Mindset: The false belief that you already know everything you need to know for the rest of your life. A person with a fixed mindset treats graduation like a finish line. When new technology arrives or the workplace changes, they fight it because they are terrified that trying something new will expose what they don’t know.
    3. Hating Problem-solving: If you don’t enjoy the process of untangling a messy problem, the workforce will feel like a brutal grind. In the real world, things break, and plans fail. If you view these obstacles as personal insults rather than puzzles to be solved, you will live in a constant state of frustration.
    4. Situational Blindness: You must be able to read the room. School is an individual sport—it is your grade and your diploma. But the workforce requires teamwork and awareness.
      1. If you are in a team environment, arrogance will isolate you. If you can’t communicate or share credit, the group will leave you behind.
      2. If you are in an independent environment, a lack of accountability will paralyze you. Without someone giving you a deadline, you will simply drift, waiting for someone to tell you what to do.

    To see how these choices play out over a career, imagine plotting the Y=kXY\;=\;k\;*\;X function of two different paths.

    When you plot your time on the job against the value you create, your mindset (kk) determines the angle of your climb. A worker who relies on a low, “just get by” multiplier stays on a flat, shallow path. They clock their 40 hours a week, but because they lack attention to detail, their worth never rises. They stay stuck in low-wage positions.

    Direct Growth Relationship

    On the other hand, someone who treats every task with care operates on a steep upward path. Their value grows with every single hour they invest because their mindset acts as an accelerator.

    Now, look at what happens when the four career-growth killers take over. If you plot careless habits against your job security, the line doesn’t just go down gradually—it falls off a cliff.

    When you start a new job, your raw talent might give you a temporary buffer. But as excuses, lateness, and arrogance add up, your standing drops rapidly. In the real world, a drop in performance doesn’t mean an A turns into a B. It means you get fired, you break an expensive piece of equipment, or you create a safety hazard that puts people at risk.

    Conclusion: Become the Architect of Your Own Constant (k)(k)

    The beauty of this framework is that it represents a total reset button. If you are a student who has spent your middle or high school years just trying to survive a tough situation at home or a difficult environment, hear me clearly: the real-world playing field resets the moment you step into the workforce. A boss or a client does not care about your past test scores or what neighborhood you grew up in. If you enter a trade school or a job site tomorrow with a Level 10 mindset – showing up on time, taking ownership of your mistakes, and paying attention to the details – you will quickly pass the high-achievers who are coasting on their past success.

    And if you are a student who has breezed through school with easy top grades, take this as a warning: your past achievements expire quickly. If you enter the workforce with a fixed mindset, assuming you have nothing left to learn, your multiplier will fail you.

    You cannot always control the background you come from or the resources you start with. But you are the absolute, undisputed architect of your own mindset. Stop settling for a low multiplier. Decide today to focus on the details, own your outcomes, and adapt to the challenges ahead. Fix your constant, and the value of your time will take care of itself.

  • Beyond the Textbook: Why Critical Thinking is Your Ultimate STEM Skill

    Beyond the Textbook: Why Critical Thinking is Your Ultimate STEM Skill

    As a STEM student, you’re constantly immersed in data, complex equations, and technical concepts. You’ve known and mastered the Scientific Method—observing, hypothesizing, experimenting, and concluding—but that structured process is only half the battle. The other, perhaps more crucial, half is Critical Thinking. While the Scientific Method is a rigid framework for inquiry, critical thinking is the flexible process that drives it. It’s the difference between merely memorizing a formula and truly understanding its foundations and limitations. For you, this means going beyond rote learning to actively and skillfully analyze, synthesize, and evaluate the information you encounter in the lab, the lecture hall, and the world around you.

    This analytical mindset comprises several core skills essential to your future, regardless of which career path you choose.. 

    First, you must develop a relentless habit of questioning information. Don’t just question external sources; turn that rigorous examination onto your own work. You must constantly ask: Is this data truly reproducible? Are my initial assumptions that led to this result reliable? This internal skepticism is key. 

    Second, the ability to perform careful error analysis is primary. This means moving past simply reporting a “failed” test and instead recognizing the subtle flaws in your experimental design, data collection methods, or calculations. Master the ability to identify the sources of error in your experiment. This isn’t about placing the blame on yourself or others; it’s about learning and improving. 

    Third, you must effectively evaluate information sources. When researching a project, learn to distinguish sound, evidence-based conclusions from claims based upon false assumptions or bias. This skill is vital when designing an experiment or reading specialized technical literature.


    Real-world Example: Evaluating an Information Source

    A thoughtful, analytical evaluation of an Information source serves as an excellent example of applying this critical evaluation skill—essential for navigating the complex media environment today. All too frequently, we accept what we encounter online or on message boards as fact. Regardless of whether we agree with the content or not, we rarely take the time to determine its validity. This requires a rigorous assessment of the information’s credibility, accuracy, and fairness. 

    Your process begins with understanding who the source is; this means performing quick additional research to assess who created the content, including the purpose behind the creation of the content and any editorial bias, while verifying the author’s expertise. Highly sensational headlines or anonymity should immediately raise your suspicion. 

    Next, shift your focus to fact-checking the content itself. Examine the quality of evidence, looking specifically for hard data, statistics with cited methodologies, and primary sources, while simultaneously checking the language for emotional arguments or wording that signals an intent to persuade or distract you intentionally, versus simply reporting objectively. 

    Finally, your evaluation must thoroughly assess the argument’s fairness and completeness. This means checking that the source acknowledges and fairly represents opposing viewpoints, offers criticized parties a chance to respond or rebut the information or opinion, and avoids relying on unstated, implied assumptions.

    Ultimately, this comprehensive process moves you beyond merely accepting the Information as fact, leading you to an informed decision about the material’s actual validity and practical usefulness.


    Conclusion

    Critical thinking is the key factor that elevates a capable STEM student into an innovative and successful scientist or engineer. It’s the powerful mechanism that allows you to process complex, unstructured data, recognize underlying patterns, and formulate valid logical conclusions where standard solutions may not exist. This skill deepens comprehension and improves retention, translating theoretical concepts into practical, usable knowledge for your future development.

    I strongly urge you to cultivate your expertise in challenging assumptions, analyzing evidence, and applying logical reasoning now. By doing so, you position yourself as an active contributor in your field, not merely a passive learner and recipient of information. As the volume of data and pace of technology accelerate, remember this lasting truth: your most indispensable tool for lifelong learning and effective problem-solving isn’t the newest gadget or a sophisticated piece of machinery. It is your inherent capacity to think in an evidence-based, exact, and open-minded manner. 

  • Weekly Quotation: August, 6, 2025: Rethinking Education to Prioritize Personal Growth

    Weekly Quotation: August, 6, 2025: Rethinking Education to Prioritize Personal Growth

    “We are a culture that worships the winning result: the league championship, the high test score. Coaches are paid to win, teachers are valued for getting students into the best colleges. Less glamorous gains made a long the way – learning, wisdom, growth, confidence, dealing with failure – aren’t given the same respect because they can’t be given a grade.”

    – William Zinnser (On Writing Well, 30th edition) (pg. 253)

    I wonder if the same can be said about the process of personal growth. I am absolutely certain that there are teachers whose passion lies in seeing they’re students grow as people of substance, encouraging their passion for learning, challenging students with inquiry-based lessons. I know this because I have worked alongside many of them. However, the pressure to meet state and federal established testing benchmarks by which schools are judged and state curriculum standards leaves little time for creativity and discussion in the classroom. So many feel like they are fighting a losing battle. And it not only these restrictions that affect the development of our students’ personal growth in the classroom.

    I have also experienced a paradigm shift in the STEM students I work with. While there are still some who are open to new ideas and are willing to explore and develop the foundations of personal growth: curiosity, a passion for solving problems, and a passion for learning. There is a growing majority of students whose primary interest is in just getting the grade, whose focus is on getting the highest ACT score possible, not through learning the baseline knowledge to support the score, but only in the quick techniques to “cheat” the test with the least amount of effort. And, with minimum ACT test score standards being implemented in school systems as graduation requirements, schools now offer courses teaching these methods. ” Memorize and forget” is now the status quo for many of our students.

    We are doing a disservice to our students. For when they get to college, and especially when they graduate and join the workforce without a solid foundation in knowing how to deal with failure, learn from their mistakes, develop a strong support network, to be resilient and to persevere – essential skills and traits that cannot be given a grade – I guarantee you they will struggle.

  • The Essential Traits for Personal Growth

    The Essential Traits for Personal Growth

    “You can’t build a skyscraper on an outhouse foundation.”

    Dr. John Walkup

    Three integral, interrelated traits: curiosity, a passion for learning, and a passion for solving problems, when combined with self-awareness, are the foundation or prerequisites for personal growth and eventual success, regardless of which career path you may choose.

    By definition, prerequisite is something that has to happen first, something that must occur, or in this case, a personality trait that must be developed, before you can get to the next step or goal.

    For example, in education, a prerequisite is a course or subject that a student must complete before enrolling in a more advanced course. This ensures that a student has the foundational knowledge or skills needed to succeed in the more complex material.

    For the sake of our discussion, these three prerequisites, curiosity, a passion for learning, and the passion for solving problems, ensure that we have the necessary foundation, the skills necessary to succeed on our journey of personal growth.

    Curiosity

    “We keep moving forward, opening new doors, and doing new things, because we’re curious and curiosity keeps leading us down new paths”.

    Walt Disney

    It all begins with curiosity – always asking “why?” and “how?”. Curiosity is a fundamental human trait, our longing to understand the world around us. Curiosity is the spark for our desire to learn and explore, to ask questions, and to seek knowledge beyond the obvious. It opens the door for new experiences and perspectives. And enriches our understanding of the world around us.

    When you’re curious, learning isn’t just memorizing facts. It’s actively exploring ideas, solving problems, and discovering what truly interests you. This makes learning more engaging, turns you into a better thinker, and fuels your creativity. It’s also key to understanding yourself and what you’re passionate about, setting you up for a lifetime of exciting discoveries and personal growth.

    And when combined with open-mindedness, seeking answers to questions in areas that interest us stimulates our passion for learning and our desire to solve problems, to investigate, experiment, and discover.

    While some people may be more naturally curious than others, the good news is that curiosity can be cultivated and nurtured.

    • The most effective way to build your curiosity, ask questions, lots of them. No question is too simple or too complex as long as the purpose is to gain more knowledge. Strive for deeper understanding in your learning, asking “why” and “how,” refusing to accept surface-level explanations. 
    • Listen and be open to different points of view, and actively seek out knowledge and understanding. Take time to research, participate in conversations, and explore diverse perspectives different than your own, which can broaden your horizons and deepen your understanding. Maintaining an open mind, willing to consider new ideas and perspectives, is essential to staying curious.
    • Embracing your passions is another powerful way to develop your curiosity. When we immerse ourselves in subjects that truly fascinate us, the desire to learn becomes naturally motivated.
    • Finally, persistence is the key. When faced with challenges or setbacks, a curious person will persevere, viewing obstacles as opportunities for learning and growth.

    Passion for Solving Problems

    Problems are a natural part of life, and the ability to solve them effectively is essential for success in both your personal and professional life. The passion for solving problems is the strong desire to identify and overcome challenges. It is the driving force that keeps you focused, motivated, and driven to find creative solutions to the complex and some not-so-complex problems you face in your lifetime. Without a passion for problem-solving, you may be less likely to take risks and try new things, and more importantly, less likely to persevere in the face of failure. This will greatly impact your career success regardless of what field you choose.

    Problem-solving skills are more important now than ever and are in demand by employers who want employees who can rapidly adapt to new situations and find innovative solutions to challenges they encounter in the workplace. People passionate about solving problems are looking for new challenges and ways to improve things. They are not afraid to think outside the box and create innovative solutions. This is a valuable skill in any field, as it allows people to overcome obstacles and achieve their goals.

    Here are some of the benefits of having a passion for solving problems:

    • It makes you more versatile. The ability to solve problems is essential for adapting to change. When things don’t go according to plan, people passionate about solving problems quickly come up with a new solution. This is a valuable skill in today’s rapidly changing world.
    • It makes you more creative and innovative. Problem solving requires creativity and innovation. People who are passionate about solving problems are always looking for new and better ways to do things. This is an important skill for success in any field, as it allows people to develop new products, services, and processes.
    • It makes you more competitive. In today’s competitive job market, it is important to stand out from the crowd. A passion for problem-solving is a great way to do this. Employers are always looking for people who can solve problems and improve things.
    • It makes you more successful in your career. Studies have shown that people who are passionate about their work are more likely to be successful in their careers. They are also more likely to be happy and fulfilled in their work.

    How can you develop or enhance your passion for solving problems?

    • The first step to developing a passion for problem solving is to find a problem that you are passionate about. This could be anything from a personal problem to a global issue.
    • Then, do your research. Once you have found a problem that you are passionate about, learn as much as you can about it. This will help you to better understand the problem and to develop potential solutions.
    • Be creative and think outside the box. Don’t be afraid to think outside the box and come up with innovative solutions. The best solutions are often the ones that no one else has thought of.
    • Don’t be afraid to fail. Failure is a natural part of the problem-solving process. It is an opportunity to learn and grow.
    • Finally, take time to celebrate your success. This will help you to stay motivated and to keep solving problems.

    Developing a passion for problem-solving takes time and effort, but it is worth it. A passion for problem-solving will help you to succeed in any career path you choose, making you a more valuable asset to your employer and to society as a whole.

    Passion for learning

    A passion for learning is important for success, in school and whichever career path you choose. This is because the world is constantly changing, and new technologies and ways of doing things are emerging all the time. In order to stay ahead of the curve and be successful in any field, it is important to be willing to learn new things and adapt to change.

    A need to be “the expert” about something rarely impresses others and can actually hinder your own growth. Always be in the process of learning. Seek the counsel of others. Listen to their experiences. Feel free to say, “I don’t know—instruct me.” And let them fuel your growth.

    Here are some of the ways a passion for learning can contribute to your success:

    • It makes you more adaptable. The ability to adapt to change is essential for success in today’s rapidly changing world. A passion for learning will help you to be more adaptable and to learn new things quickly.
    • It makes you more creative and innovative. A passion for learning will help you to think more creatively and come up with innovative solutions to problems. This is an important skill for success in any field.
    • It makes you more competitive. In today’s competitive job market, it is important to stand out from the crowd. A passion for learning will help you to develop the skills and knowledge you need to be more competitive and to land your dream job.
    • It makes you more successful in your career. Studies have shown that people who are passionate about their work are more likely to be successful in their careers. They are also more likely to be happy and fulfilled in their work.

    If you are passionate about learning, you will be more likely to succeed in any career path you choose. You will be more adaptable, more creative, more innovative, and more competitive. You will also be more likely to be happy and fulfilled in your work.

    Here are some tips to develop or enhance your passion for learning:

    • Find something you are interested in. The first step to developing a passion for learning is to find something that you are interested in. This could be anything from a hobby to a subject in school.
    • Set goals for yourself. Once you have found something you are interested in, set some goals for yourself. What do you want to learn about it? How can you learn it?
    • Find a mentor. If you are serious about learning about something, find a mentor, a friend, a teacher, or a boss who can help you. And be willing to listen and open to their instruction. A mentor can provide you with guidance and support and help you to stay on track.
    • Join a group of people with similar interests and goals. There are many cohorts of people who are passionate about learning. Joining a group can help you stay motivated and connect with other people who share your interests.
    • And finally, make an investment to make learning a part of your daily routine. Set aside some time each day to learn something new. This could be reading a book, watching a documentary, or taking a class.

    Commentary

    I would like to think that my foundational skills were sufficient for me to succeed. I was, and still am, extremely curious about the subjects I am passionate about. I still keep up on discoveries in chemistry, physics, and education, and have acquired new interests such as gardening and writing, with this blog being an example.

    I had the passion for solving problems throughout my childhood, then, nurtured in college under the mentorship of Dr. Walkup and then the technical training I received in my years with Hewlett-Packard’s Analytical Products Division, it has become a major strength.

    Looking back, I can clearly see my past and present weaknesses. While my passion for learning is a strength, I’ve always been an independent learner, often to a fault. This reluctance to seek direction or advice from others is a significant weakness. I cannot stress enough the importance of developing and nurturing the skill of asking for guidance and humbly accepting instruction without defensiveness. My pride and arrogance led me to believe I knew more than those around me, and I deeply regret the missed opportunities to learn from them.

  • Introducing Essential Skills: Hard Skills vs. Soft Skills

    Introducing Essential Skills: Hard Skills vs. Soft Skills

    The terms “hard skills” and “soft skills” were first used by the U.S. Army in the early 1970’s to distinguish between technical and interpersonal abilities (Britannica Money, 2025). The term “soft skills” is specifically attributed to researcher Paul G. Whitmore, who used it in a 1972 U.S. Army training conference (MDPI, 2023; PMC, 2023).

    You’re presented with and expected to learn and master a great deal of technical information (hard skills) in your STEM coursework and on-the-job training. These “hard skills” are the specific, teachable abilities related to your particular field of interest. And while that know-how is important, it’s not the only thing that matters. Instructors tend to focus so heavily on teaching the technical aspects (computer programming, data analysis, math, and scientific principles) that they tend to neglect or overlook equally important soft skills such as communication, critical thinking, leadership, perseverance, resilience, problem-solving, and time management. 

    Soft skills, like hard skills, may be developed through practice, self-awareness, training, and experience. These four are essential for your success: practice (you must make an investment in time and effort), self-awareness (recognize your strengths and weaknesses, your goals and aspirations), training (throughout your career there is a need for continuing education), and experience (success does not happen overnight, it accrues over your lifetime.)

    Commentary

    Over the years, I’ve had the opportunity to learn many skills, from operating and maintaining advanced analytical instrumentation to chemical applications development to curriculum design. Yet, I did not develop the foundational “soft skills” I needed to be successful. Yes, I had the communication skills; I could sell ice cubes to an Eskimo, as one of my administrators used to say, I was passionate about solving problems, and I excelled at critical thinking. But no one had discussed with me, so I never truly developed or practiced the skills of perseverance and resilience. Nor did I recognize the dangers of my pride and the importance of humility. The lack of these traits caused me to struggle, to alienate the people I worked for and with, and when things got tough, to give up and switch directions, never accomplishing what I intended to do. Additionally, I was not introduced to the concept of self-awareness until late in life, a skill that would have assisted me greatly throughout my career.