255
Richard P. Feynman, The Character of Physical Law (New York: Modern Library, 1994), p. 50.
256
Michael Atiyah, quoted in Patricia Schwarz, “Sir Michael Atiyah on Math, Physics and Fun,” The Official String Theory Web site, .
257
Jim Holt, “Unstrung,” New Yorker, October 2, 2006, p. 86.
258
Michael Atiyah, “Pulling the Strings,” Nature 438 (December 22–29, 2005): 1,081.
259
Robert Mills, “Beauty and Truth,” in Chen Ning Yang: A Great Physicist of the 20th Century, ed. Shing-Tung Yau and C. S. Liu (Boston: International Press, 1995), p. 199.
