One day in the autumn of 1897 little Virginia O'Hanlon (1889–1971), who lived in New York City and who was eight years old, had an argument with some of her schoolmates about Santa Claus. Virginia ...
Dennis J. Selkoe, M.D. The Vincent and Stella Coates Professor of Neurologic Diseases, Harvard Medical School. Co-Director, Center for Neurologic Diseases, Department of Neurology, Brigham and Women’s ...