Wyatt Earp was a famous American frontiersman who lived in the late 19th century. He is best known for his involvement in the Gunfight at the O.K. Corral, which took place in Tombstone, Arizona in 1881. Earp was also a lawman, businessman, and gambler during his lifetime. He was a key figure in the western expansion of the United States and is remembered as one of the most iconic figures of the American Old West.