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 (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. During the Second World War, Rees was active on Enigma research in Hut 6 at Bletchley Park.

David Rees
Portrait by Godfrey Argent
Born	(1918-05-29)29 May 1918 Abergavenny, Wales
Died	16 August 2013(2013-08-16) (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