Congress / California Institute of Technology / US Air Force / United States Army / National Aeronautics and Space Administration / British Interplanetary Society / Air Force / University of Arizona / Army / /
Person
Hermann Oberth / Isaac Asimov / Konstantin Tsiolkovsky / Arthur C. Clarke / Alla Masevitch / Robert Heinlein / Robert Goddard / Lunar Orbiter / Johannes Kepler / Gerard P. Kuiper / /
Position
Ranger / Surveyor / /
ProvinceOrState
Maryland / California / Arizona / /
Technology
alpha / then-existing technology / same technologies / /