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Leon Silver
Leon Theodore "Lee" Silver (born April 9, 1925), Professor of Geology at California Institute of Technology (Caltech), 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. Currently, he is the W. M. Keck Foundation Professor for Resource Geology, emeritus, at Caltech.
==Early life and education==
Leon Silver was born in Monticello, New York on April 9, 1925 as the youngest of five children.〔Cohen, pp. ii-iii〕 His parents were Jewish immigrants from Russia and Poland, who moved the family to Waterbury, Connecticut soon after he was born. He graduated from Crosby High School in 1942.〔
After spending a year at the Colorado School of Mines before being called up by the Navy, as a member of the Navy V-12 Program Silver earned his BS in Civil Engineering at the University of Colorado, Boulder, in 1945. He later earned an MS in Geology at the University of New Mexico, Albuquerque in 1948; and a Ph.D. in Geology and Geochemistry at California Institute of Technology, Pasadena, California, in 1955.〔Ph.D. thesis: Leon Theodore Silver, ''The structure and petrology of the Johnny Lyon Hills area, Cochise County, Arizona:'' California Institute of Technology, Pasadena, (1955 ).〕
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