Sir William Bragg in Nature (1921)
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Kate McAlpine in New Scientist (18:37 28 January 201)
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Cyko_01 (1092499), Menkhaf (627996), sploxx (622853) in Slashdot (Jan 30, 2011)
Message Posted to Online Forum/Discussion Group 1
Alan Boyle in MSNBC (9/8/2008)
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Sir William Bragg in Scientific Monthly (1922)
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Erica Klarreich in American Scientist (07/2002)
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Barbara Lovett Cline in University Of Chicago Press (1987-06-15)
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Heinz R. Pagels in Simon & Schuster (2009-05-26)
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Richard Feynman in Universities Press (1985)
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Jeremy L. England in Journal of Chemical Physics (21 August 2013)
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Brian Greene in Vintage Digital (2011-05-31)
Book 7
Albert Einstein, Leopold Infeld in CUP Archive (1971)
Book 5
Reidar Hahn in Time Magazine (3/8/2012)
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