Eliot Blackwelder

Eliot Blackwelder (June 4, 1880 – January 14, 1969) was an American geologist and educator. Known primarily as a field geologist, from 1922 to 1945 he was head of the Stanford University department of geology. He served as president of the Geological Society of America in 1940 and of the Seismological Society of America from 1947 to 1949. Provided by Wikipedia