Rusty Schweickart

Russell Louis Schweickart is an American aeronautical engineer and former NASA astronaut, research scientist, U.S. Air Force fighter pilot, business executive, and government executive. Schweickart was selected in 1963 for NASA's third astronaut group. He was the Lunar Module Pilot on the 1969 Apollo 9 mission, the first crewed flight test of the lunar module, on which he performed the first in-space test of the portable life support system used by the Apollo astronauts who walked on the Moon.