Person: Williamson, John
John Williamson graduated from Edinburgh University and then had an appointment at St Andrews. He spent some time in Chicago and eventually moved to the USA to a post at Johns Hopkins University in Baltimore. His most important work was in Algebra.
Mathematical Profile (Excerpt):
 After having passed the Preliminary Examination, Williamson first matriculated at the University of Edinburgh in October 1919.
 As an undergraduate at Edinburgh, Williamson studied Ordinary Mathematics, Natural Philosophy and Greek in session 191920.
 Williamson was probably the first to lecture in Scotland (1927) upon algebras and their arithmetics: his interest in this led to original contributions in the region of division algebras.
 Williamson was elected a Fellow of the Royal Society of Edinburgh on 5 March 1928 having been proposed by Herbert Westren Turnbull, Sir Edmund Taylor Whittaker, Ralph Allan Sampson, and Charles Glover Barkla.
 Williamson left St Andrews when he accepted a Associate Professorship in Mathematics at Johns Hopkins University in Baltimore, USA.
 On 1 February 1924, when he was a Lecturer in Mathematics at the University of St Andrews, Williamson joined the Edinburgh Mathematical Society.
 Williamson read the paper The irreducible covariants belonging to the concomitant system of three quadrics to the meeting of the Society in St Andrews on Saturday 14 June 1924.
 At the meeting on Friday 16 January 1925 a joint paper by Williamson and Turnbull On the general invariant theory of two quadratics in n variables was read.
Born 23 May 1901, Kinross, Scotland. Died 1949, Baltimore, USA.
View full biography at MacTutor
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References
Adapted from other CC BYSA 4.0 Sources:
 Oâ€™Connor, John J; Robertson, Edmund F: MacTutor History of Mathematics Archive