Al Worden

Alfred Worden is an American astronaut and engineer who was the Command Module Pilot for the Apollo 15 lunar mission in 1971. One of only 24 people to have flown to the Moon, he orbited it 74 times in the Command Module Endeavour. When the orbiting command module was at its greatest distance from Scott and Irwin in the Falcon, Worden was 2,235 miles (3,597 km) away from any other human beings Worden has been listed in Guinness World Records as the "Most isolated human being" during his time alone in the command module Endeavour.