Interstellar Age
Jim Bell, Penguin/Dutton 2015, Tigard Library 629.43 BEL
- p46 Caltech Gary Flandro invented "Grand Tour", little credit until 1998 NASA Exceptional Achievement Medal
You have to learn not to be discouraged by experts
- p68 11,000 work-years devoted to Voyager, 1/3 of the labor force for the Great Pyramid at Giza for King Cheops
C. Kohlhase The Voyager Neptume Travel Guide, JPL Publication 89-24 page 135