John Henry “Doc” Holliday wasn’t supposed to be a gunslinger. He was born in Georgia in 1851, trained as a dentist, and had a future full of promise. But when tuberculosis cut into his lungs in his twenties, he headed west, trading drills for pistols and playing cards. The dry air didn’t heal him—but it gave him something else: a place to run, fight, and live fast. By the time he landed in Tombstone, Arizona, Doc had become both feared and admired. Quick with a shot and quicker with his temper,