John Leech was an English mathematician who is best known for the Leech lattice, which is important in the theory of finite simple groups. He was born on 21 July 1926 at Weybridge in Surrey and died on 28 September 1992 on board the SS Waverley at sea. He graduated from King's College, Cambridge, as a wrangler in 1950, then worked for Ferranti in Manchester on an early digital computer. He lectured in the Computing Laboratory at Glasgow University from 1959 and in 1968 became Reader and first Head of Computing Science at the new University of Stirling. A pure mathematician by inclination, he developed one of the first programs implementing the Todd-Coxeter coset enumeration algorithm.
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Attributed Works
Source Leech Lattice (Wikipedia)
In Branch
Source MacTutor biography of John Leech, St Andrews
Principal Result
Source Leech Lattice (Wikipedia)
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Source MacTutor biography of John Leech, St AndrewsSummaryQuote, Summary
John Leech was an English mathematician who is best known for the Leech lattice which is important in the theory of finite simple groups.
Sources
1. MacTutor biography of John Leech, St Andrews
Quick Info: Born
21 July 1926
Biography
He took early retirement in 1980, having worked part-time for a few years before this due to ill-health.
In Branch: Group Theory, Summary
John Leech was an English mathematician who is best known for the Leech lattice which is important in the theory of finite simple groups.
View the SourceLeech Lattice (Wikipedia)
Wikimedia FoundationPrincipal Result: Leech Lattice, Lead sentence of the article on the result
It was discovered by John Leech (1967).
Attributed Works: Leech Lattice, Lead section
It was discovered by John Leech (1967).
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