Brain Tumor Center. He is also the spouse of Meg Whitman. Ira Herskowitz, geneticist, noted for his work on cellular differentiation, 1987 MacArthur Fellows Program Julien Hoffman – professor emeritus of pediatrics; senior member of the Cardiovascular Research Institute Dorothy M. Horstmann (1911–2001), virologist who made important discoveries about polio. Nola Hylton, radiologist and pioneer in the use of Breast MRI Janet Iwasa, cell biologist and animator David Julius – physiologist known for his work on molecular mechanisms underlying detection of thermal stimuli and natural products. Received the 2010 Shaw Prize, 2017 Gairdner Award, 2020 Breakthrough Prize in Life Sciences, 2020 Kavli Prize in neuroscience, 2021 Nobel Prize in Physiology or Medicine. Sarah H. Kagan is an American gerontological nurse, and Lucy Walker Honorary Term Professor of Gerontological Nursing at the University of Pennsylvania. She is a MacArthur Fellow. Yuet Wai Kan, Lasker Award (1991) and Shaw Prize (2004) Selna Kaplan – former professor of pediatrics; pediatric endocrinologist Stuart Kauffman is an American medical doctor, theoretical biologist, and complex systems researcher who studies the origin of life on Earth. He was a professor the University of Chicago, University of Pennsylvania, and University of Calgary. He has a number of awards including a MacArthur Fellowship and a Wiener Medal. Uzma Khanum, sister of Pakistani Politician Imran Khan. David Kessler – former dean of the UCSF School of Medicine and Yale University School of Medicine, and former Commissioner of the Food and Drug Administration in the Clinton Administration Peter Kollman – developer of the AMBER force field in molecular dynamics simulation and an internationally renowned computational chemist Arthur Lander, M.D. PhD Developmental biologist at University of California, Irvine Jeanne LaBerge, M.D., Interventional radiologist Marguerita Lightfoot, Professor of Medicine and Chief of Prevention Science, Jay A. Levy, who, along with Robert Gallo at the National Cancer Institute and Luc Montagnier at the Pasteur Institute, was among the first to identify and isolate HIV as the causative agent in AIDS Richard Locksley, medical doctor, professor and researcher of infectious diseases at the University of California, San Francisco Michael Marletta is currently Ch and Annie Li Chair in the Molecular Biology of Diseases at the University of California, Berkeley. 1995 MacArthur Fellow. C. Cameron Macauley, photographer and film producer Wendy Max, professor of Health Economics Michael Merzenich, Professor emeritus neuroscientist – brain plasticity research, basic and clinical sciences of hearing pioneer – CEO Scientific Learning,