limited Participants include: Steven Weinberg, Mathew Buckley. Frank Wilczek, Neil Weiner. Saws Dimopoulos. Liantao Wang. Curnron Vafa. Dan Chung. Nima Arkani-Ilamed. Aaron Pierce. Lisa Randall. David Gross. Gordy Kane. Joe l.ykken. Kip Thome. Chian Nappi. Edward Witten, Gia Dvali, John Schwarz. Nati Scabs:re.