#Future Quotes #Believe Quotes #Years Quotes
Hermann Oberth
Physicist
Homer Hickam
Author
J. Robert Oppenheimer
Theoretical Physicist
Konstantin Tsiolkovsky
Scientist
Robert H. Goddard
Professor
Sergei Korolev
Engineer
Walter Dornberger
Engineer
Willy Ley
Writer
Yuri Gagarin
Cosmonaut