Derrick henry lehmer biography of barack
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Derrick Henry Lehmer — Google Arts & Culture!
D. H. Lehmer
American mathematician (1905–1991)
Derrick Henry "Dick" Lehmer (February 23, 1905 – May 22, 1991), almost always cited as D.H.
Lehmer,[1][2][3] was an American mathematician significant to the development of computational number theory.
Derrick henry lehmer biography of barack
Lehmer refined Édouard Lucas' work in the 1930s and devised the Lucas–Lehmer test for Mersenne primes. His peripatetic career as a number theorist, with him and his wife taking numerous types of work in the United States and abroad to support themselves during the Great Depression, fortuitously brought him into the center of research into early electronic computing.
Early life
Lehmer was born in Berkeley, California, to Derrick Norman Lehmer, a professor of mathematics at the University of California, Berkeley, and Clara Eunice Mitchell.
He studied physics and earned a bachelor's degree from UC Berkeley, and continued with graduate studies at the University of Chicago.
He and his father