Werner von Braun, a famous rocket engineer, was born in Germany in 1912 and is known as the father of the United States Space Program.
Neil Armstrong, the first astronaut who runs in the month in 1969, was a famous flight pilot and engineer before joining the Space Program.
Edwin Hubble, a famous astronomer, found that the universe was expanding in 1929.
Sputnik 1 is the first man -made satellite launched into space by the Soviet Union in 1957.
Alan Shepard, the first United States Astronaut who made a sub-orbital flight in 1961, was a navy pilot before joining the Space Program.
Valentina Tereshkova, the first woman's astronaut launched into space in 1963, was a farmer and a textile factory worker before joining the Space Program.
Buzz Aldrin, a US astronaut who runs on the moon with Neil Armstrong, has a doctorate in the field of aviation science and is a famous military officer before joining the space program.
Kalpana Chawla, an Indian-American astronaut who flew on the Columbia's refusal-shuttle mission in 2003, was a famous engine engineer before joining the Space Program.
Sergei Korolev, a Soviet Union Rocket Engineer who led their space program in the 1950s and 1960s, dubbed the Soviet Union's Space.
Mae Jemison, the first black American astronaut who went into space in 1992, was a doctor and scientist before joining the space program.
