: 415Īt age 21, Holliday earned a degree in dentistry from the Pennsylvania College of Dental Surgery. Holliday's colorful life and character have been depicted in many books and portrayed by well-known actors in numerous movies and television series.
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 only one to three men. Holliday is best known for his role in the events surrounding and his participation in the Gunfight at the O.K. John Henry Holliday (Aug– November 8, 1887), better known as Doc Holliday, was a dentist and later a gambler, gunfighter, and a close friend and associate of lawman Wyatt Earp.