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1. en.wikipedia.org › wiki › DD. H. Lehmer - Wikipedia

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   Derrick Henry "Dick" Lehmer (February 23, 1905 – May 22, 1991), almost always cited as D.H. Lehmer, was an American mathematician significant to the development of computational number theory. Lehmer refined Édouard Lucas' work in the 1930s and devised the Lucas–Lehmer test for Mersenne primes.

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3. mathshistory.st-andrews.ac.uk › Biographies › Lehmer_DerrickDerrick Henry Lehmer - MacTutor History of Mathematics Archive

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   22 mag 1991 · Quick Info. Born. 23 February 1905. Berkeley, California, USA. Died. 22 May 1991. Berkeley, California, USA. Summary. Derrick H Lehmer was an American mathematician who worked in number theory and in particular generalised Lucas's test for Mersenne primes. View seven larger pictures. Biography. Derrick Lehmer was known as Dick.

4. www.treccani.it › enciclopedia › lehmer-derrick-henryLehmer Derrick Henry in "Enciclopedia della Matematica ... -...

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   DAL VOCABOLARIO. LEMMI CORRELATI. Lehmer Derrick Henry (Berkeley, California, 1905 - 1991) fisico e matematico statunitense. Figlio di D.N. Lehmer, studiò a Berkeley e all’università di Chicago, e ottenne il dottorato alla Brown University nel 1930.

5. history.computer.org › pioneers › lehmerComputer Pioneers - Derrick Henry Lehmer

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   Derrick Henry Lehmer. Born February 23, 1905, Berkeley, Calif.; died May 22, 1991, Berkeley, Calif.; pre-WWII inventor of a mechanical method of solving congruence relations and finding prime numbers. Education: AB, University of California, Berkeley, 1927; ScM, mathematics, Brown University, 1929; PhD, mathematics, Brown University, 1930.

6. matwbn.icm.edu.pl › ksiazki › aaDerrick Henry Lehmer - Home ICM

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   Derrick Henry Lehmer by John Brillhart (Tucson, Ariz.) Derrick Henry Lehmer (DHL) began life in Berkeley, California on Febru-ary 23, 1905. He was one of the five children of Derrick Norman Lehmer (DNL) and [Clara] Eunice Mitchell. As he was growing up, he was greatly influenced by his father who was a professor of mathematics at the Univer-

7. math.berkeley.edu › past-senate-faculty › derrick-h-lehmerDerrick H. Lehmer | Department of Mathematics

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   YEAR APPOINTED: 1940 YEAR DECEASED: 1991 Address. Department of Mathematics 970 Evans Hall, MC 3840 Berkeley, CA 94720-3840

8. www.computerhistory.org › blog › unprogramming-the-eniac“Unprogramming” the ENIAC: Lehmer Child’s Play - CHM

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   9 mag 2017 · Shortly after the installation of the ENIAC their parents, Derrick Henry Lehmer and Emma Trotskaya Lehmer, who were well-known number theorists at the University of California at Berkeley, were invited to use the machine for mathematical research.