Arthur Geoffrey Walker
Arthur Geoffrey Walker (17 July 1909 – 31 March 2001) was a leading mathematician who made important contributions to physics and physical cosmology. He was born in Watford, Hertfordshire, England.
Walker was an accomplished geometer, but he is best remembered today for two important contributions to general relativity. Together with H. P. Robertson, the well known Robertson-Walker metric for the Friedmann-Lemaître-Robertson-Walker cosmological models, which are exact solutions of the Einstein field equation. Together with Enrico Fermi, he introduced the notion of Fermi-Walker differentiation.
Walker attended Watford Grammar School for Boys and won a scholarship to Balliol College, Oxford, where he graduated with first class honours. He then studied at Merton College, Oxford and completed his doctorate at the University of Edinburgh.
- Hitchin, N. J. (2006). "Arthur Geoffrey Walker. 17 July 1909 -- 31 March 2001: Elected FRS 1955". Biographical Memoirs of Fellows of the Royal Society 52: 413–421. doi:10.1098/rsbm.2006.0028.
- "Walker_Arthur summary". Retrieved 2011-07-21.
- "A. G. Walker". The Times. 2001. Retrieved 2008-10-13.
- MacTutor History of Mathematics article http://www-history.mcs.st-andrews.ac.uk/Biographies/Walker_Arthur.html
- Mathematical genealogy project entry http://www.genealogy.math.ndsu.nodak.edu/id.php?id=143411
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