Alan Hugh Cook FRS, FRSE This Obituary First Appeared in The
Alan Hugh Cook FRS, FRSE This obituary first appeared in The Independent on 31 July 2004 reproduced with permission from The Independent http://www.independent.co.uk/news/obituaries/sir-alan-cook-6164500.html Alan Cook was a physicist with an unusually wide range of interests, centred on the structure of the Earth and other planets, as well as phenomena arising from the vast clouds of attenuated gas that abound in more distant regions of our galaxy. In pursuit of these interests he became involved in exact measurement and the establishment of standards in metrology. Alan Hugh Cook, physicist: born Selstead, Kent 2 December 1922; Superintendent, Standards (later Quantum Metrology) Division, National Physical Loboratory 1966-69; FRS 1969; Professor of Geophysics, Edinburgh University 1969-72; FRSE 1970; Jacksonian Professor of Natuural Philosophy, Cambridge University 1972-90, Head of Department of Physics 1979-84; Fellow, King's College, Cambridge 1972-83; President, Royal Astronomical Society 1977-79; Master, Selwyn College, Cambridge 1983-93; Kt 1988; Chairman, Press Syndicate, Cambridge University Press 1988-93; married 1948 Isabell Adamson (one son, one daughter); died Cambridge 23 July 2004. From Westcliff High School he went to Corpus Christi College, Cambridge in 1940 and on graduating in 1943 joined the Admiralty Signals Establishment. He returned to Cambridge at the end of the Second World War to begin research for his PhD in the Department of Geodesy and Geophysics. It was here that he became interested in the precise determination of the gravitational acceleration (g) of a falling body. Small variations in g over the Earth's surface give valuable hints on the density and depth of deep-lying rocks; at the time he went to the National Physical Laboratory (NPL) in Teddington - he was there from 1952 to 1969 - expeditions were setting out with very precise pendulums to map them.
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