. Invited Participants include: Steven Weinberg. Mathew Buckley. Frank Wilezek. Neil Weiner. Savas Dimopoulos, Liantao Wang. Cumrun Vara. Dan Chung, Nima Arkani- !lamed. Aaron Pierce. Lisa Randall. David Gross. Gordy Kane. Joe Lykken. Kip Thorne. China Nappi. F.dwanl Witten. Gia Dvali. John Schwarz. Nati Seibe