Lewis Thomas (November 25, 1913 – December 3, 1993) was a physician, poet, etymologist, essayist, administrator, educator, policy advisor, and researcher. Thomas was born in Flushing, New York and attended Princeton University and Harvard Medical School. He became Dean of Yale Medical School and New York University School of Medicine, and President of Memorial Sloan-Kettering Institute. His formative years as an independent medical researcher were at Tulane University School of Medicine.