Last modified on 9 May 2014, at 16:25

Alan Guth

Alan Guth, 2007

Alan Harvey Guth (born 27 February 1947) is a physicist and cosmologist. Guth has researched elementary particle theory (and how particle theory is applicable to the early universe). In particular he discovered and developed the theory of cosmic inflation.


  • It is said that there’s no such thing as a free lunch. But the universe is the ultimate free lunch.
  • The recent developments in cosmology strongly suggest that the universe may be the ultimate free lunch.
    • Alan Guth and Paul Steinhardt, The inflationary universe, edited by Paul Davies (1992). The New Physics. Cambridge University Press. p. 54. ISBN 0-521-43831-4. 

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