Distinguished guests at the Simon A. Levin center renaming: (left to right) Abba Gumel (ASU), Sander van der Leeuw (ASU), Carlos Castillo-Chavez, Billie Turner (ASU), Mercedes Pascual (University of Michigan), Carole Levin, Simon Levin, Lou Gross (University of Tennessee-Knoxville), Chris Wood (Santa Fe Institute), Alan Hastings (University of California-Davis), Provost Robert E. Page Jr. (ASU) and James Elser (ASU).