Semple

John Greenlees Semple

Born: 10 June 1904 in Belfast, Ireland
Died: 23 Oct 1985 in London, England

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Semple was born in Northern Ireland and took his first degree in Belfast, then a doctorate at Cambridge under Baker. After lecturing at Edinburgh for a year he was appointed to the chair at Belfast where he remained for 6 years before taking up the chair at King's College London where he was to remain for the rest of his life.

In London he worked with Du Val but they only wrote one joint paper. His work is on various aspects of geometry, in particular work on Cremona transformations and work extending results of Severi. He wrote a famous text Algebraic projective geometry with Kneebone.

References:

  1. Obituary John Greenlees Semple, Bull. London Math. Soc. 19 (1987), 378-386. 
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JOC/EFR February 1996