Sir (John) Ambrose Fleming
(1849-1945), Electrical engineer and university teacherSitter in 8 portraits
Physicist and electrical engineer. Born in Lancaster, Fleming studied at St John's College, Cambridge. Whilst Professor of Electrical Engineering at University College London (1885-1926), he invented the Thermionic Valve (1904), which became widely used in the rapidly developing world of television, radio and early computing. Fleming was also a pioneer in the application of electricity to heating and lighting on a large scale. He was knighted in 1929.
by Walter Stoneman
bromide print, 1923
NPG x165627
by Bassano Ltd
whole-plate glass negative, 25 March 1929
NPG x124487
by Bassano Ltd
whole-plate glass negative, 25 March 1929
NPG x124488
by Walter Benington, for Elliott & Fry
chlorobromide print, February 1932
NPG x91858
by Walter Benington, for Elliott & Fry
bromide print, 19 February 1932
NPG x94117
by Elliott & Fry
half-plate negative, 1932
NPG x82135
by Walter Stoneman
half-plate glass copy negative, June 1950 (1923)
NPG x190842
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