On August 16, 1960, Joseph Kittinger jumped from 101,516 ft and fell to Earth. Reaching speeds of 614 mph, Kittenger tested Einstein’s theory of relativity in which a man in the emptiness of space would not be able to detect that he was falling.

On August 16, 1960, Joseph Kittinger jumped from 101,516 ft and fell to Earth. Reaching speeds of 614 mph, Kittenger tested Einstein’s theory of relativity in which a man in the emptiness of space would not be able to detect that he was falling.