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Arthur L. Day

American geophysicist
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Also known as: Arthur Louis Day
Day, Arthur L.
Day, Arthur L.
Born:
October 30, 1869 Massachusetts
Died:
March 2, 1960 (aged 90) Washington, D.C. United States
Subjects Of Study:
earthquake rock spring volcano

Arthur L. Day, in full Arthur Louis Day, (born Oct. 30, 1869, Brookfield, Mass., U.S.—died March 2, 1960, Washington, D.C.), U.S. geophysicist known for his studies of the properties of rocks and minerals at very high and very low temperatures. He investigated hot springs and earthquakes, the absolute measurement of high temperatures, and physical and chemical problems regarding volcanoes. Day was with the U.S. Geological Survey from 1900 until 1907, when he became director of the Geophysical Laboratory of the Carnegie Institution of Washington, Washington, D.C.; he retired in 1936. He was vice president of the National Academy of Sciences ...(100 of 103 words)