Meet the man who's spent 24 hours in space, and lived to tell the tale.
John Glenn, a former U.S. Marine Corps pilot, was the first American to orbit the Earth in 1962. He spent nearly 5 hours in space, at an altitude of 162 miles.
“Space is where man has never gone except in his imagination.” - John Glenn
Author’s Note: John Glenn was a true pioneer in the field of space exploration.