John Henry "Doc" Holliday (August 14, 1851 – November 8, 1887) was an American gambler, gunfighter, and dentist. He was a close friend and associate of lawman Wyatt Earp.
Holliday is best known for his role in the events leading up to and following the Gunfight at the O.K. Corral. He killed more than a dozen men, but modern researchers have said that Holliday killed only one to three men. He was born in Griffin, Georgia.