Gino Segrè is a professor of Physics and Astronomy at the University of Pennsylvania. He has been a visiting professor at M.I.T. and Oxford University, chair of the Department of Physics and Astronomy at the University of Pennsylvania, and director of theoretical physics at the National Science Foundation. He is the author of several books of scientific history, Ordinary Geniuses, Faust in Copenhagen, and A Matter of Degrees.
Bettina Hoerlin taught healthcare disparities at the University of Pennsylvania for sixteen years. She also has been a visiting lecturer at Haverford College and Oxford University. Her career in health policy and administration included serving as Health Commissioner of Philadelphia. The author of Steps of Courage: My Parents’ Journey from Nazi Germany to America, she grew up in the Atomic City of Los Alamos.