Sir
J. J. Thomson
OM PRS
J.J Thomson.jpg
42nd President of the Royal Society
In office
1915–1920
Preceded byWilliam Crookes
Succeeded byCharles Scott Sherrington
Master of Trinity College, Cambridge
In office
1918–1940
Preceded byHenry Montagu Butler
Succeeded byGeorge Macaulay Trevelyan
Personal details
Born
Joseph John Thomson

(1856-12-18)18 December 1856
Cheetham Hill, Manchester, England
Died30 August 1940(1940-08-30) (aged 83)
Cambridge, England
CitizenshipBritish
NationalityEnglish
ChildrenGeorge Paget Thomson, Joan Paget Thomson
Alma materOwens College (now the University of Manchester)
Trinity College, Cambridge (BA)
Signature
Known forPlum pudding model
Discovery of electron
Discovery of isotopes
Mass spectrometer invention
Electromagnetic mass
First m/e measurement
Proposed first waveguide
Gibbs–Thomson equation
Thomson scattering
Thomson problem
Coining term 'delta ray'
Coining term 'epsilon radiation'
Thomson (unit)
AwardsSmith's Prize (1880)
Royal Medal (1894)
Hughes Medal (1902)
Nobel Prize in Physics (1906)
Elliott Cresson Medal (1910)
Copley Medal (1914)
Albert Medal (1915)
Franklin Medal (1922)
Faraday Medal (1925)
Dalton Medal (1931)
Scientific career
FieldsPhysics
InstitutionsTrinity College, Cambridge
Academic advisorsJohn Strutt (Rayleigh)
Edward John Routh
Notable studentsCharles Glover Barkla
Charles T. R. Wilson
Ernest Rutherford
Francis William Aston
John Townsend
J. Robert Oppenheimer
Owen Richardson
William Henry Bragg
H. Stanley Allen
John Zeleny
Daniel Frost Comstock
Max Born
T. H. Laby
Paul Langevin
Balthasar van der Pol
Geoffrey Ingram Taylor
Niels Bohr
George Paget Thomson
Debendra Mohan Bose
Lawrence Bragg