Sir John Ambrose Fleming
Born
John Ambrose Fleming

(1849-11-29)29 November 1849
Lancaster, Lancashire, England, United Kingdom
Died18 April 1945(1945-04-18) (aged 95)
Sidmouth, Devon, England, United Kingdom
ResidenceEngland
NationalityBritish
Alma materUniversity College London
Royal College of Science
Known forFleming's left hand rule
Vacuum tube (Fleming valve)
AwardsHughes Medal (1910)
Albert Medal (1921)
Faraday Medal (1928)
Duddell Medal (1930)
IRE Medal of Honor (1933)
Franklin Medal (1935)
Fellow of the Royal Society
Scientific career
FieldsElectrical engineer and physicist
InstitutionsUniversity College London
University of Nottingham
Cambridge University
Edison Electric Light Co.
Victoria Institute
Doctoral advisorFrederick Guthrie
Doctoral studentsHarold Barlow
Other notable studentsBalthasar van der Pol