# John Leech (mathematician)

- John Leech (mathematician)
**John Leech** (July 21, 1926–September 28, 1992) was a British mathematician working in number theory, geometry and combinatorial group theory. He is best known for his discovery of the Leech lattice in 1965. Leech was married to Jenifer 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*]

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