- John Leech (mathematician)
**John Leech**(July 21 ,1926 –September 28 ,1992 ) was a Britishmathematician working in number theory, geometry and combinatorial group theory. He is best known for his discovery of theLeech lattice in 1965. Leech was married toJenifer Haselgrove , a respected British radio scientist.**References***T M Thompson, "From error-correcting codes through sphere packings to simple groups" (Washington, 1983).

*D Munn, "John Leech : Navigator of maths", The Guardian London, 14 Oct, 1992.

*"Obituary John Leech", The Glasgow Herald Glasgow, 1 Oct, 1992.**External links*** [

*http://turnbull.mcs.st-and.ac.uk/~history/Mathematicians/Leech.html MacTutor History of Mathematics biography*]

*Wikimedia Foundation.
2010.*

### Look at other dictionaries:

**John Leech**— may refer to:* John Leech (caricaturist) (1817 ndash;1864), English caricaturist. * John Leech (politician) (born 1971), British Liberal Democrat Member of Parliament * John Leech (mathematician) (1926 ndash;1992), British mathematician,… … Wikipedia**Leech (disambiguation)**— Leech may refer to:* Leech, a primitive animal **Leeching, is a form of bloodletting in medieval and early modern medicine which used leeches * Leech (computing), in computing, someone who uses others information or effort but does not provide… … Wikipedia**John Bull**— John Bullish. John Bullishness. John Bullism. 1. England; the English people. 2. the typical Englishman. [1705 15; named after John Bull, chief character in Arbuthnot s allegory The History of John Bull (1712)] * * * ▪ English symbol in… … Universalium**John Horton Conway**— (* 26. Dezember 1937 in Liverpool) ist ein englischer Mathematiker. Inhaltsverzeichnis 1 Leben und W … Deutsch Wikipedia**Jenifer Haselgrove**— (now Jenifer Leech) (born 1931) is a British physicist and computer scientist. She is most noted for her formulation of ray tracing equations in a cold magneto plasma, now widely known in the radio science community [http://www.ursi.org/] as… … Wikipedia**List of Old Carthusians**— Old Carthusians are former pupils of Charterhouse School.Born in 17th century*Joseph Henshaw (1603 ndash;1679), Bishop of Peterborough, 1663 ndash;1679 *Roger Williams (c.1603 ndash;1683), religious dissenter and co founder of Rhode Island… … Wikipedia**Richard A. Parker**— For the egyptologist Richard A. Parker, see Richard Anthony Parker. Richard A. Parker ( b . 29 January 1953, in Surrey) is a mathematician and freelance computer programmer in Cambridge, England. He invented many of the algorithms for computing… … Wikipedia**Barts and The London School of Medicine and Dentistry**— Established 1123 (St Bartholomew s Hospital) 1785 (London Hospital Medical College) 1843 (Medical College of St Bartholomew s Hospital) 1989 (Medical College of St Bartholomew s Hospital and the London Hospital Medical College merge) 1995… … Wikipedia**Taxicab number**— In mathematics, the n th taxicab number, typically denoted Ta( n ) or Taxicab( n ), is defined as the smallest number that can be expressed as a sum of two positive cubes in n distinct ways, up to order of summands. G. H. Hardy and E. M. Wright… … Wikipedia**Timeline of Islamic science and engineering**— This timeline of Islamic science and engineering covers the general development of science and technology in the Islamic world during the Islamic Golden Age, usually dated from the 7th to 16th centuries.From the 17th century onwards, the advances … Wikipedia