A young well dressed African American man poses for his portrait at the Moore studio in Denison, Texas. The town of Denison was founded in 1872 in conjunction with the Missouri-Kansas-Texas Railroad. In 1875, famed western gambler, gunfighter, and dentist, John Henry Holliday (Doc Holliday), had offices in Denison. Doc Holliday is also known for his great friendship and shared exploits with lawman Wyatt Earp.