John Henry Holliday, better known as Doc Holliday, was an American dentist, gambler, and gunfighter who was a close friend and associate of lawman Wyatt Earp. Holliday is best known for his role in the events surrounding and his participation in the gunfight at the O.K. Corral in Tombstone, Arizona. He developed a reputation as having killed more than a dozen men in various altercations, but modern researchers have concluded that, contrary to popular myth-making, Holliday killed between one and three men. Holliday's colorful life and character have been depicted in many books and portrayed by well-known actors in numerous movies and television series.