Participants include: Steven Weinberg. Mathew Buckley. Frank Wilezek, Neil Weiner. Sans Dimopoulos, Liantao Wang. Cumrun Vafa, Dan ('hung, Nima Arkani-I lamed. Aaron Pierce. Lisa Randall David Gross, Gordy Kane. Joe Lykken, Kip Thorne. Chian Nappi. Edward Waters Gia Dvali. John Schwarz,