Personal papers of U.S. physician, Dickinson W. Richards (1895-1973), alumnus (M.A. 1922; M.D. 1923) and faculty member (1925-1973) of Columbia University's College of Physicians & Surgeons. Richards served as Intern (1924) and Resident (1925-1927) at Presbyterian Hospital, with later positions there (1928-1961) and at Bellevue Hospital (1933-1961), and consulted for Merck & Co. Richards received the Nobel Prize for Physiology or Medicine in 1956, along with André Cournand and Werner Forssmann for their work relating to heart catheterization.