Leon Silver

Leon Silver
Silver in 1972 during the Apollo 17 landing
Born
Leon Theodore Silver

(1925-04-09)April 9, 1925
DiedJanuary 31, 2022(2022-01-31) (aged 96)
Other namesLee Silver
EducationPh.D., Geology & Geochemistry (1955)
Alma materCalifornia Institute of Technology (Caltech)
OccupationGeology professor
EmployerCaltech (emeritus)
Known forTraining of Apollo astronauts in field geology

Leon Theodore "Lee" Silver (April 9, 1925 – January 31, 2022) was an American geologist who was professor of geology at the California Institute of Technology (Caltech). He was an instructor to the Apollo 13, 15, 16, and 17 astronaut crews. Working with the National Aeronautics and Space Administration (NASA), he taught astronauts how to perform field geology, essentially creating lunar field geology as a new discipline. His training is credited with a significant improvement in the J-Mission Apollo flights' scientific returns. After the Apollo program, he became a member of the United States National Academy of Sciences in 1974. He retired in 1996 as the W. M. Keck Foundation Professor for Resource Geology, emeritus, at Caltech.