Clarence Roderic Allen (February 15, 1925 – January 21, 2021) was an American geologist who studied seismology.
He was a graduate of Reed College (B.A., 1949) and the California Institute of Technology (M.S., 1951; Ph.D., 1954).
He was elected a Fellow of the American Academy of Arts and Sciences in 1975.
[5] He was a member of the faculty of the California Institute of Technology since 1955.
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