The Making of a Researcher: Mentor First, Scientist Second

Posted on by Angel Toasakul
Professor Casey Lew-Williams playing with a toddler visiting the Baby lab.
Professor Casey Lew-Williams at the Princeton Baby Lab. Photo Credit: Princeton Office of Communications.

What does it take to become a researcher?

The Making of a Researcher is a new mini-series exploring the paths scientists take to reach where they are today, highlighting their growth from beginners to experts. 

Through interviews with faculty members in various fields, we’ll explore the necessary steps to becoming a researcher and how Princeton professors play a part in that process.

In this first feature, Professor Casey Lew-Williams, Chair of the Psychology Department and Director of the Princeton Baby Lab, reflects on his journey in developmental psychology and his role as a mentor to aspiring students in the field.

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Doha Diaries: Zara’s Internship at QCRI

Posted on by Aishah Shahid

This summer, Zara Hommez traveled from Princeton to Doha, Qatar, for an internship at the Qatar Computing Research Institute (QCRI), where she worked in the Humanitarian AI division. As a sophomore majoring in Operations Research and Financial Engineering (ORFE), she was drawn to the placement through Princeton’s International Internship Program (IIP) because it offered a rare blend of quantitative modeling, computer vision, and real-world impact, which is the exact intersection she hopes to pursue.

When browsing IIP opportunities, QCRI immediately stood out. Its mission to use data and AI to address global humanitarian challenges aligned perfectly with her academic interests in optimization, systems thinking, and applied machine learning. The chance to live in Doha, a rapidly growing, modern city at the heart of the Middle East, added an exciting cultural dimension she was eager to explore.

Zara on a sand buggie
Zara on a sand buggie! Photo credit: Zara Hommez.
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In Defense of Core Lab

Posted on by Haya Elamir
this image is to represent the kind of group environment that core lab represents, even if this isn't an actual core lab class depicted
A classroom of students reading at Princeton (not core lab). Photo credit: Ryan Halbe.

Many STEM majors here have the same rite of passage: core lab. For non-lab majors, core lab is a class that is purely to teach you about lab techniques and critical thinking skills that are useful for writing our theses. They usually involve a bit of a simulated lab experience where you discover new findings while the teachers guide you through the motions of a lab research experience. 

Molecular biology’s core lab meets twice a week for 3 hours and then a small 50 minute lecture/precept on Fridays for half the semester. Other majors have similar constraints. However, while at first it may seem a bit overwhelming and even redundant if you’ve already done these procedures in a lab or are in a lab that definitely will not be using any procedures you learn, core lab goes beyond just teaching you technical skills. 

I too was confused as to why I was here and why this mattered, but over time, I began to internalize one of the real skills this class is meant to teach you, something that pipetting will never give you: asking the right questions. 

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Research, Friends, Mountains, and Everything in Between

Posted on by Angel Toasakul
Neuschwanstein Castle
The view of the Neuschwanstein Castle on the way back from a 5-hour hike.

When I boarded my flight to Munich this summer, I thought I knew exactly what awaited me: labs buzzing with experiments and discoveries, even a big “Aha!” moment that would shape my research career. After spending over a month home in Thailand, beach hopping and exploring the underwater world with my scuba diving gear, I was ready to slip back into my academic shoes and make the most out of my time in a new country.

What I found was… not quite what I expected.

While I had overestimated how sparkly the research world would be, I didn’t even come close to imagining how many lessons I would learn or how many memories I would make.

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The Art of Bouncing Back

Posted on by Haya Elamir
this image is to set the tone for the rest of the blog post; that it is about internship rejection
screenshot of the beginning of most internship rejection emails

Spring is a bit of a bittersweet time for me every year. When the sun comes out, so does any brain cell willing to do work. Summer is right around the corner, and things just seem to drag–even in the quick Princeton semesters. However, that ‘summer right around the corner’ thought is not always an exciting one. With summer comes the prospect of internships, and perhaps more pressing: the lack of thereof. In a previous post, I discussed tips for applying to internships, but by now, you may have already heard back. If you have heard back and the email made your heart sink to your stomach, this post is for you. I’m here to remind you that internship rejections are not the end of the world. 

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The Beauty of Mentorship

Posted on by Haya Elamir
the purpose is to represent the main idea of the post: mentorship
A mentor guiding two students on a startup project. Photo Credit: Danielle Alio.

I think mentorship can be highly overlooked in the undergraduate community. This is mostly because we feel that professors and Ph.D. students can be so far in their own fields, and so we’re just intruding in on their time. They’re so impressive that it is almost intimidating. However, in hindsight, you start to realize how important their mentorship becomes in your life. I think a lot of undergraduates value mentorship in the sense that they’re being given an opportunity in the current moment to do research or work on a project. This is the perspective I had on mentorship when I entered research. Luckily, for me, mentorship turned out to be so much more; it’s the gift that keeps on giving. 

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Cracking Cold Emails: Reaching Out to Professors in a Way that Works

Posted on by Angel Toasakul
Screenshot of the Princeton Computational Memory Lab that shows the main faculty, staff, and post-docs in the group.
“People” page of Princeton Computational Memory Lab

Cold-emailing a professor can feel like yelling into the void. You’ve pinpointed your field of interest, done the research on the lab and professor you want to work with, and yet—there’s so much uncertainty. You don’t know what the response will be, or if you’ll even get one at all. You don’t know if the void will yell back, or if your voice will simply disappear.

But that doesn’t mean you can’t maximize your chances. After crafting and sending a few emails, I started to see what actually makes a difference—and it’s not just about hitting “send.”

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Paying it Forward: A Faculty Perspective on Mentorship in Research

Posted on by Shannon Yeow
Headshot of David Walker
David Walker is a Professor of Computer Science at Princeton University whose research focuses on programming languages, formal methods, and computer systems. Known for his commitment to advancing both theoretical and practical understanding in the field, Professor Walker also plays a central role in mentoring students.

As someone who completed my junior independent work under Professor Walker’s guidance last semester, I’ve had the chance to witness his thoughtful mentorship firsthand. In a research culture where both the technical challenge and emotional uncertainty can feel overwhelming, I’ve come to appreciate how crucial the human side of research is—how we learn from and grow with those who guide us. With that in mind, I sat down with Professor Walker to explore how he thinks about mentorship: what it looks like, why it matters, and how he helps students, like me, find their footing in the world of research.

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Now & Next: Illuminating Solar Innovations with Barry Rand

Posted on by Shannon Yeow
Barry Rand Headshot
Professor Barry Rand stands at the frontier of sustainable electronics and energy solutions as a Professor of Electrical and Computer Engineering and the Andlinger Center for Energy and the Environment at Princeton University. His work in thin-film electronics and photovoltaic materials offers promising paths toward greener technologies, with real potential to reshape how we power our world.

As a student in his ENE 431: Solar Energy Conversion course, I’ve had the privilege of learning from Professor Rand this semester. This course has challenged how I think about energy and prompted me to look more closely at the systems that power the world. What stood out to me wasn’t just the technology, but the sense of possibility it held. I found myself thinking more seriously about what the future of energy could look like, and who’s shaping it. That curiosity led me to interview Professor Rand for Now & Next, where we discuss his research in thin-film electronics and where he sees the field heading.

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Heads Up: You Might Need Study Approval from the Institutional Review Board

Posted on by Alexis Wu
Image of a fountain in the foreground whose spray creates a rainbow. Background includes the School of Public and International Affairs
A rainbow at the Fountain of Freedom (colloquially called the “SPIA Fountain”), taken during a break from working on my thesis

Independent research at Princeton offers an incredible opportunity for students to explore their academic interests and gain experience in the research world. This year, I’m working on my Senior Thesis with Professor Aleksandra Korolova, conducting an audit of Google ad delivery optimization algorithms. Specifically, I am studying whether aspects of advertisements—the image, text, links, and so on—impact the demographics of the audience to whom the advertisement is delivered.

In the fall, many people were curious about how my thesis was progressing. The truth was, for a few weeks, I hadn’t started running any experiments, since I first needed my research to be approved by the Institutional Review Board (IRB). Through this experience, I both gained insight into the IRB process and found that many students had never even heard of the IRB. In this article, I share my experience and offer advice for students who are planning to conduct independent research.

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