Some people collect stamps, others vintage cars. As a young Ph.D. student at Cambridge University in the 1980s, Claude Wischik was on a mission to collect brains in an attempt to answer a riddle still puzzling the scientific community: What causes Alzheimer’s disease? Dennis Selkoe, the Vincent and Stella Coates Professor of Neurologic Diseases in the Department of Neurology at Brigham and Women’s Hospital, is quoted.