Peter Landin  From Wikipedia, the free encyclopedia
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Peter Landin Peter Landin.png Born (1930-06-05)5 June 1930 Died
3 June 2009(2009-06-03) (aged 78) Nationality British Known for
ISWIM, J operator, SECD machine, off-side rule  Peter John
Landin (5 June 1930, Sheffield – 3 June 2009[1][2]) was a
British computer scientist. He was one of the first to realize
that the lambda calculus could be used to model a programming
language, an insight that is essential to development of both
functional programming and denotational semantics.   Landin was
born in Sheffield, where he attended King Edward VII School; he
graduated from Clare College, Cambridge University.[2] From 1960
to 1964, he was the assistant to Christopher Strachey when the
latter was an independent computer consultant in London. Most of
his work was published during this period and the brief time he
worked for Univac and at the Massachusetts Institute of
Technology in the United States bef