Samson T. Jacob began working at Pennsylvania State University
College of Medicine in the Department of Pharmacology as an
Associate Professor in 1972. He was given the title of Tenured
Professor four years later. Dr. Jacob retired from Penn State after 18
years of service and accepted the chair of the pharmacology and
molecular biology department at the Chicago Medical School,
which is now a part of Rosalind Franklin University of Medicine and
Science.