Muhammad Ali
Boxer & Activist
Source: Wiki
Witnessed UFOs on sixteen different occasions, mostly while training early morning in Kentucky, and claimed he saw a "mothership".
Muhammad had a lifelong interest in UFOs. He said, "If you look up in the sky in the early morning, you see them playing tag between the stars." Ali famously spoke very seriously about his UFO sightings on the Johnny Carson show in the 1970s.
