Kalamazoo College is pleased to welcome the following faculty members to campus this fall:. Visiting Assistant Professor of Chemistry Kelsey Aldrich. Aldrich arrives at K from Duquesne University, where she earned a Ph.D. and served as a graduate teaching assistant in biochemistry. Her educational background also includes a Bachelor of Science in chemistry with American Chemical Society (ACS) certification from Grove City College, where she was an undergraduate teaching assistant in organic, analytical and general chemistry.