leon silverとは 意味・読み方・使い方

Leon Theodore (Lee) Silver (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 the astronauts how to perform field geology, essentially creating the field of lunar geology that made a huge difference in the quality and character of the exploration and research of the later (15, 16 and 17) Apollo flights. 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.