A crowd gathers around Muhammad Ali at diner where he’s celebrating his victory over Sonny Liston earlier than evening. The onlookers are eager to just catch a glimpse of the boxer eating, while Malcolm X looks playfully over his shoulder. Bob Gomel/The LIFE Images Collection/Getty Images

Malcolm X takes a photo of his elated friend from behind the diner’s counter. Bob Gomel/The LIFE Images Collection/Getty Images

Ali roars At Malcolm X, who pretends to calm him down. The two had a falling out and Malcolm X was assassinated before Ali could apologize. Ali later said one his life’s biggest regrets was “turning his back” on Malcolm. Bob Gomel/The LIFE Images Collection/Getty Images