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Sir Charles Darwin

Sir Charles Galton Darwin
Charles G. Darwin, Bain News Service photo portrait.jpg
Sir Charles Galton Darwin (1887–1962)
Born Charles Galton Darwin
(1887-12-18)18 December 1887
Cambridge, England
Died 31 December 1962(1962-12-31) (aged 75)
Cambridge, England
Nationality British
Fields Physicist
Institutions National Physical Laboratory
Victoria University of Manchester
Royal Engineers
Christ's College, Cambridge
California Institute of Technology
University of Edinburgh
Manhattan Project
Alma mater Trinity College, Cambridge
Academic advisors Ernest Rutherford
Niels Bohr
Known for Darwin–Fowler method
Darwin term of the Hamiltonian
Darwin Lagrangian
Darwin drift
Darwin–Radau equation
Notable awards Royal Medal (1935)
Fellow of the Royal Society
Notes
He was the grandson of Charles Darwin, the son of George Howard Darwin, the brother of Gwen Raverat and brother-in-law of Geoffrey Keynes.

Sir Charles Galton Darwin, KBE, MC, FRS (18 December 1887 – 31 December 1962) was an English physicist who served as director of the National Physical Laboratory (NPL) during the Second World War. He was the son of the mathematician George Howard Darwin and a grandson of Charles Darwin.

Darwin was born at Newnham Grange in Cambridge, England into a scientific dynasty, the son of the mathematician Sir George Howard Darwin and a grandson of Charles Darwin. His mother was Lady Darwin, Maud du Puy of Philadelphia, Pennsylvania. His elder sister was the artist Gwen Raverat, and his younger sister Margaret married Geoffrey Keynes, the brother of the economist John Maynard Keynes. His younger brother William Robert Darwin was a London stockbroker. Darwin was educated at Marlborough College (1901-6) and then won a place studying Mathematics at Trinity College, Cambridge graduating MA in 1910.

He secured a post-graduate position at the Victoria University of Manchester, working under Ernest Rutherford and Niels Bohr on Rutherford's atomic theory. In 1912, his interests developed into using his mathematical skills assisting Henry Moseley on X-ray diffraction. His two 1914 papers on diffraction of X-rays from perfect crystals became often cited classics. In a further paper of 1922, he introduced the mosaic crystal model.


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