David Evans (microbiologist)

Sir David Gwynne Evans FRS (6 September 1909 - 13 June 1984) was a British microbiologist.

He was born at 15 Kay Street, Atherton, Lancashire. His father was a headmaster and his mother a schoolteacher. They had four children and his elder brother, Meredith, was a professor at Leeds and Manchester Universities and also a Fellow of the Royal Society. His other brother, A. G. Evans became professor of chemistry at University College, Cardiff.

Evans left Leigh grammar school in 1928 and spent two years with the British Cotton Growers' Association. He then studied at the University of Manchester from 1930 to 1933, and graduated with a degree in physics and chemistry. He gained his Master of Science in 1934 and finished his Ph.D. in 1938.

In 1940 he began working at the National Institute for Medical Research (NIMR) in London. In 1947 to become a reader in the bacteriology department at the University of Manchester, but returned to the NIMR in 1955 as director of the biological standards department. In 1961 he became professor of bacteriology and immunology at the London School of Hygiene & Tropical Medicine. In 1971–2 Evans was director of the Lister Institute of Preventive Medicine and struggled in vain to save its Chelsea laboratory from financial failure. He left in 1972 to become director of the National Institute for Biological Standards and Control to prepare for its 1976 move to South Mimms.

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