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.

Jo Dunkley is a professor of Physics and Astrophysical Sciences at Princeton University. Her research is in cosmology, studying the origins and evolution of the Universe. Her major projects are …