David Rees (mathematician)

David Rees
David Rees
	Portrait by Godfrey Argent
Born	29 May 1918; Abergavenny, Wales
Died	16 August 2013 (aged 95); Exeter, Devon, England
Alma mater	University of Cambridge
Known for	Artin–Rees lemma; Rees algebra; Rees factor semigroup; Rees matrix semigroup; Rees's theorem;
Spouse	Joan S. Cushen (m. 1952)
Awards	FRS (1968); Pólya Prize (1993);
	Scientific career
Institutions	University of Manchester; University of Cambridge; University of Exeter;
Doctoral advisor	Philip Hall; Gordon Welchman;
Doctoral students	Michael P. Drazin; O.A.S Karamzadeh;

David Rees FRS^[1] (29 May 1918 – 16 August 2013) was a British professor of pure mathematics at the University of Exeter, having been head of the Mathematics / Mathematical Sciences Department at Exeter from 1958 to 1983.^[5] During the Second World War, Rees was active on Enigma research in Hut 6 at Bletchley Park.^[6]^[7]

^ ^a ^b Sharp, R. Y. (2015). "David Rees 29 May 1918 – 16 August 2013". Biographical Memoirs of Fellows of the Royal Society. 61. Royal Society: 379–401. doi:10.1098/rsbm.2015.0010. ISSN 0080-4606. S2CID 123809696.
^ ^a ^b David Rees at the Mathematics Genealogy Project
^ "2013 death notices". Royal Society. Retrieved 20 August 2013. Professor David Rees FRS, 29 May 1918 – 16 August 2013 (elected 1968), Emeritus Professor of Pure Mathematics, University of Exeter, Council service: 1979 – 1981
^ ^a ^b "Rees semi-group of matrix type", Encyclopedia of Mathematics, EMS Press, 2001 [1994], retrieved 26 February 2021
^ R.Y. Sharp (2015). "Obituary" (PDF). Biographical Memoirs of Fellows of the Royal Society. 61. Royal Society: 379–401. doi:10.1098/rsbm.2015.0010. S2CID 123809696. Retrieved 30 March 2021.
^ Rodney Sharp (29 August 2013). "David Rees obituary | Education". The Guardian. Retrieved 30 August 2013.
^ "Bletchley Park Roll of Honour". Bletchley Park Trust. Retrieved 2 August 2014.

[frs-1] Sharp, R. Y. (2015). "David Rees 29 May 1918 – 16 August 2013". Biographical Memoirs of Fellows of the Royal Society. 61. Royal Society: 379–401. doi:10.1098/rsbm.2015.0010. ISSN 0080-4606. S2CID 123809696.

[mathgene-2] David Rees at the Mathematics Genealogy Project

[3] "2013 death notices". Royal Society. Retrieved 20 August 2013. Professor David Rees FRS, 29 May 1918 – 16 August 2013 (elected 1968), Emeritus Professor of Pure Mathematics, University of Exeter, Council service: 1979 – 1981

[s-4] "Rees semi-group of matrix type", Encyclopedia of Mathematics, EMS Press, 2001 [1994], retrieved 26 February 2021

[Sharp-5] R.Y. Sharp (2015). "Obituary" (PDF). Biographical Memoirs of Fellows of the Royal Society. 61. Royal Society: 379–401. doi:10.1098/rsbm.2015.0010. S2CID 123809696. Retrieved 30 March 2021.

[6] Rodney Sharp (29 August 2013). "David Rees obituary | Education". The Guardian. Retrieved 30 August 2013.

[7] "Bletchley Park Roll of Honour". Bletchley Park Trust. Retrieved 2 August 2014.

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David Rees
Portrait by Godfrey Argent
Born	(1918-05-29)29 May 1918 Abergavenny, Wales
Died	16 August 2013(2013-08-16) (aged 95)^[3] Exeter, Devon, England
Alma mater	University of Cambridge
Known for	Artin–Rees lemma Rees algebra Rees factor semigroup Rees matrix semigroup^[4] Rees's theorem^[4]
Spouse	Joan S. Cushen (m. 1952)
Awards	FRS (1968)^[1] Pólya Prize (1993)
Scientific career
Institutions	University of Manchester University of Cambridge University of Exeter
Doctoral advisor	Philip Hall Gordon Welchman^[2]
Doctoral students	Michael P. Drazin O.A.S Karamzadeh^[fa]^[2]