Susan Leeman
American endocrinologist
Susan E. Leeman (May 9, 1930 – January 20, 2026) was an American endocrinologist who was renowned for her research on peptides. Leeman was a professor in the Department of Pharmacology and Experimental Therapeutics at Boston University. She continued to work into her nineties and later served as the director of the Neuropeptide Laboratory in the Pharmacology Department at the Chobanian and Avedisian School of Medicine. Her work with substance P and neurotensin, both of which are peptides crucial to the function of the nervous, endocrine, and immune systems, led to her becoming considered one of the pioneers of neuroendocrinology. Her later research focused on substance P specifically and how it binds with its receptor. Leeman was elected as a member within the National Academy of Sciences in 1991 and received the academy's Fred Conrad Koch Award in 1994. Leeman was a member of the Endocrine Society, Society for Neuroscience, American Association for the Advancement of Science, and American Physiological Society.
Early life and education
Susan Epstein (later changed to Leeman by marriage) was born on May 9, 1930, in Chicago, Illinois. Her mother was born in the United States and her father had emigrated from Russia to New York City. Her father was an academic metallurgist and her mother attended college at George Washington University at a time when few other women did.
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