Saul Perlmutter is a professor in Berkeley’s Department of Physics and a senior scientist at the Lawrence Berkeley National Laboratory. He is the leader of the Supernova Cosmology Project, an international collaboration of research teams from seven countries measuring the expansion history of the universe.

Peter Staley has been a long-term AIDS and gay rights activist, first as a member of ACT UP New York, then as the founding director of TAG, the Treatment Action Group. He served on the board of the American Foundation for AIDS Research (amfAR) for 13 years.