James Sparks (Harvard University), interview with author, February 6, 2007.
148
Amanda Gefter, “The Elephant and the Event Horizon,”
149
John Preskill, “On Hawking’s Concession,” July 24, 2004, http://www.theory.caltech.edu/~preskill/jp_24jul04.html.
150
Andrew Strominger (Harvard University), interview with author, February 7, 2007.
151
Juan Maldacena, “The Illusion of Gravity,”
152
Davide Castelvecchi, “Shadow World,”
153
Taubes, “Black Holes and Beyond.”
154
L. Frank Baum,
155
Volker Braun (Dublin Institute for Advanced Studies), interview with author, November 4, 2008.
156
Philip Candelas (Oxford University), interview with author, December 1, 2008.
157
Ibid.
158
Andrew Strominger (Harvard University), interview with author, February 7, 2007.
159
Cumrun Vafa, “The Geometry of Grand Unified Theories,” lecture, Harvard University, Cambridge, Mass., August 29, 2008.
160
Chris Beasley (Stony Brook University), interview with author, November 13, 2008.
161
Burt Оvrut (University of Pennsylvania), interview with author, July 20, 2008.
162
Ovrut, interview with author, February 2, 2007.
163
Ron Donagi (University of Pennsylvania), interview with author, November 14, 2008.
164
Donagi, interview with author, November 19, 2008.
165
Candelas, interview with author, December 1, 2008.
166
Donagi, interview with author, May 3, 2008
167
Ovrut, interview with author, November 20, 2008.
168
Donagi, interview with author, November 20, 2008.
169
Ovrut, interview with author, November 20, 2008.
170
Shamit Kachru (Stanford University), interview with author, November 4, 2008.
171
Michael Douglas (Stony Brook University), interview with author, August 20, 2008.
172
Candelas, interview with author, December 1, 2008.
173
Simon Donaldson (Imperial College), interview with author, November 29, 2008.
174
Ovrut, interview with author, November 19, 2008.
175
Candelas, interview with author, December 1, 2008.
176
Strominger, interview with author, February 7, 2007.
177
Adrian Cho, “String Theory Gets Real — Sort Of,”
178
Candelas, interview with author, December 1, 2008.
179
Allan Adams (MIT), interview with author, November 15, 2008.
180
Gary Shiu, quoted in Adrian Cho, “String Theory Gets Real — Sort Of”
181
Shamit Kachru (Stanford University), e-mail letter to author, December 6, 2008.
182
Shamit Kachru, Renata Kallosh, Andrei Linde, and Sandip Trivedi, “De Sitter Vacua in String Theory,”
183
Raman Sundrum (Johns Hopkins University), interview with author, February 22, 2007.
184
Liam McAllister (Cornell University), interview with author, November 12, 2008.
185
Kachru, interview with author, September 8, 2007.
186
Liam McAllister (Princeton University), interview with author, February 20, 2007.
187
Joe Polchinski (University of California, Santa Barbara), interview with author, February 6, 2006.
188
David Gross, quoted in Dennis Overbye, “Zillions of Universes? Or Did Ours Get Lucky?”
189
Burton Richter, “Randall and Susskind,” letter to editor,
190
Leonard Susskind,
191
Tristan Hubsch (Howard University), interview with author, November 7, 2008.
192
Mark Gross (Stanford University), interview with author, October 31, 2008.
193
Gross, interview with author, September 19, 2008.
194
Miles Reid (University of Warwick), interview with author, August 12, 2007.
195
Allan Adams (MIT), interview with author, October 31, 2008.
196
Gross, interview with author, October 31, 2008.
197
Adams, interview with author, October 31, 2008.
198
Tristan Hubsch, e-mail letter to author, December 15, 2008.
199
Melanie Becker (Texas AM University), interview with author, February 1, 2007.
200
Andrew Strominger (Harvard University), interview with author, February
201
Li-Sheng Tseng (Harvard University), interview with author, December 17, 2008.
202
Becker, interview with author, February 1, 2007.
203
Polchinski, interview with author, January 29, 2007.
204
Strominger, interview with author, August 1, 2007.
205
Burt Ovrut (University of Pennsylvania), interview with author, February 2, 2007.
206
Geoffrey Landis, “Vacuum States,”
207
Andrew R. Frey, Matthew Lippert, and Brook Williams, “The Fall of Stringy de Sitter,” Physical Review D. 68 (2003).
208