Advisor
Dr. Byungchul Cha is Professor of Mathematics at Muhlenberg College. He studies number theory. He enjoys working on cool math projects with undergraduates. He does not enjoy being the chair of the math/cs department.
Current Students
Amanda Sodl (’23)
Amanda is from Whitehall, Pennsylvania. She is currently a senior at Muhlenberg College, where she studies mathematics. She previously attended Lehigh Carbon Community College where she also majored in mathematics and obtained her A.S. degree. Since January 2022, she has been participating in Dr. Cha’s number theory lab, which has motivated her to want to continue in research. After graduating from Muhlenberg, she plans to pursue a PhD in number theory. Aside from her academic pursuits, Amanda enjoys working at her part-time job and spending time with her family.
Catherine Barrish (’24)
Cathy is from New York City. She is pursuing a double major in mathematics and political science. She has been working in Dr. Cha’s number theory lab since January 2022. Other than mathematics, Cathy is a head tutor in the academic resource center, an inducted member of AED (Muhlenberg’s pre-health national honors society), she works in the institute of public opinion, and she is on the Field Hockey, Cheerleading and Tennis teams at Muhlenberg. In her spare time, she enjoys jogging with friends, going on drives, and trying new restaurants.
Charles Ohanian (’24)
Charles, originally from Long Island, New York, is a mathematics and economics double major at Muhlenberg College. He enjoys learning about math and participating in mathematical research. He has been working in Dr. Cha’s number theory lab since January 2022. Outside of mathematics, he is on the men’s track & field and cross country teams at Muhlenberg and is a calculus tutor. He recently studied abroad in Maastricht, a small city in the Netherlands. In his spare time, he enjoys running, watching sports, and spending time with friends and family.
Emmy Lin (’26)
Emmy’s description.
