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.Soviet cosmonaut Vladimir Komarov was the first from his country to fly into space twice. He died when his Soyuz 1 capsule crashed while re-entering the Earth, due to a parachute failure, on April 24, 1967, which made him the first human to die in a space flight.
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.Part of the seven Project Mercury astronauts, Gordon Cooper manned a 34-hour space mission, becoming the first American to stay for a day in space. As part of the Gemini 5 mission, he and his co-pilot proved it was possible for astronauts to survive a mission to the Moon and back.
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.The first person to walk on the Moon, Neil Armstrong was an astronaut and aeronautical engineer. Prior to his trip to the Moon, he became NASA's first civilian astronaut to fly in space. After resigning from NASA, he taught in the Department of Aerospace Engineering at the University of Cincinnati. He was a Presidential Medal of Freedom awardee.
Gerald Vincent Bull was a Canadian artillery expert, known for designing Project Babylon supergun for the Government of Iraq. His idea was to do away with the conventional rockets by firing satellites into orbit from a 156m-long barrel embedded inside a hill. However, his assassination within two years of the start of the project put an end to it.
.Though a high-school drop-out, Dutch aviation designer and entrepreneur Anthony Fokker showed his interest in mechanics quite early. He designed over 40 types of fighter aircrafts for the Germans during World War I. The aircraft that completed the first nonstop flight across the U.S. was also made by him.
Known as "the father of stealth," Ben Rich made a significant contribution to the development of the F-117 Nighthawk stealth fighter-bomber. Throughout his stint at Lockheed’s Skunk Works, he helped develop numerous military planes. The UCLA alumnus later received the Distinguished Service Cross for his work.
