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Arthur L. Day
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Day, Arthur L.
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Arthur L. Day

American geophysicist
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Also known as: Arthur Louis Day
Last Updated: • Article History
Day, Arthur L.
Day, Arthur L.
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Category: Science & Tech
In full:
Arthur Louis Day
Born:
Oct. 30, 1869, Brookfield, Mass., U.S.
Died:
March 2, 1960, Washington, D.C. (aged 90)
Subjects Of Study:
earthquake
rock
spring
volcano
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Arthur L. 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 (1933–1941) and president (1938) of ...(100 of 103 words)

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