On July 20, 1969, NASA's Apollo 11 arrived at the Moon and saw Neil Armstrong and Buzz Aldrin take a “giant leap for mankind”. While the duo walked the Moon, Michael Collins, who was command module pilot, orbited the Moon in the spaceship which would eventually ferry them back to Earth. For around 47 minutes when the lunar module was behind the Moon, Mr Collins was undoubtedly the loneliest man in human history as he was cut off from all radio signal, leaving him alone with his...
source: Express