R.I.P. Muhammad Ali (1942-2016)

Muhammad Ali has passed away. He was 74. From the Washington Post:

Muhammad Ali, the charismatic three-time heavyweight boxing champion of the world and Olympic gold medalist who transcended the world of sports to become a symbol of the antiwar movement of the 1960s and ultimately a global ambassador for cross-cultural understanding, died Friday night at a hospital in Phoenix, where he was living.