From Wikipedia, the free encyclopedia Hugh Milburn Stone (July 5, 1904 – June 12, 1980) was an American actor, best known for his role as "Doc" (Dr. Galen Adams) on the CBS Western series Gunsmoke. Stone was born in Burrton, Kansas, to Herbert Stone and the former Laura Belfield. There, he graduated from Burrton High School, where he was active in the drama club, played basketball, and sang in a barbershop quartet. His brother, Joe, was a writer who was the author of scripts for three episode...