Clarence Allen (geologist)
Clarence Roderic Allen (February 15, 1925 – January 21, 2021) was a geologist who studied seismology. Career. He was a graduate of Reed College (B.A., 1949) and the California Institute of Technology (M.S., 1951; Ph.D., 1954). Allen was President of the Seismological Society of America in 1975 and the Geological Society of America. He was a member of the American Association for the Advancement of Science, the American Geophysical Union, and the Geological Society of America. He was elected a Fellow of the American Academy of Arts and Sciences in 1975. Allen was a member of the National  Academy of Sciences and the National Academy of Engineering since 1976. Allen received the first G.K. Gilbert Award in Seismic Geology and in 1995 he received the Medal of the Seismological Society of America. He was a member of the faculty of the California Institute of Technology since 1955. He became a Professor Emeritus there in 1990. Allan died on January 21, 2021, at the age of 95.