Lester Grinspoon was an American psychiatrist best known for his long tenure as an associate professor of psychiatry at Harvard Medical School. He concurrently served as a senior psychiatrist at the Massachusetts Mental Health Center in Boston, Massachusetts for 40 years. Grinspoon was a fellow of the American Association for the Advancement of Science and the American Psychiatric Association. He was founding editor of The American Psychiatric Association Annual Review and Harvard Mental Health Letter. Grinspoon was editor of Harvard Mental Health Letter for fifteen years. Wikipedia