German rocket-propulsion engineer & advocate for space colonization/He worked at Peenemünde as a propulsion engineer from 1942-1945, then to USA with other German rocket scientists & technicians under 'Operation Papercli
Egyp/Amer scientist worked w/NASA in planning of scientific exploration of the Moon, & selection of Apollo landing sites & training of astronauts in lunar observations & photography. Shuttle pod named in Star Trek: The Next Generation 'Time Sq