Ralph Leighton (/ˈleɪtən/ LAY-tən; born 1949)[citation needed] is an American biographer, film producer,[citation needed] and friend of the late physicist Richard Feynman.
and What Do You Care What Other People Think?, which were later combined into the hardcover anniversary edition Classic Feynman: All the Adventures of a Curious Character.
Leighton is an amateur drummer and founder of the group Friends of Tuva.
He is credited as associate producer and originator of the concept for the Academy-Award–nominated documentary film Genghis Blues (2000), which came about through the nexus provided by Friends of Tuva.
He is the son of the late Caltech physicist Robert B. Leighton, who coauthored The Feynman Lectures on Physics.