James S. Ketchum
Biography
James S. Ketchum was a psychiatrist and military officer who conducted groundbreaking research in the 1960s. As a colonel, he led experiments involving LSD on soldiers, a pioneering study in the field of psychedelic research. His work has been documented in the 2011 film "The Substance: Albert Hofmann's LSD". Ketchum's contributions to the field of psychology remain notable.