Description: Papers of Robert D. Sard (1915-94), professor of physics (1961-85), including a curriculum vitae and list of publications (1991-92) and "Scientific Memoirs" (1993) with sections in "Neutron Production by Negative Muon Capture" (1946-49), "Mu E Gamma" (1948), "The Pic du Midi Experiment" (1951-52), "Graduate Study: Signals Noise" (1935-44), "War Work: Muon Studies at MIT" (1944-46), "Washington University: More on Muons" (1946-61) and "University of Illinois: CERN-Soviet Experiment" (1961-72). The series includes Harvard, Cambridge & Leiden lecture notes (1935-38); "The Absorption of Mesotrons," Sard's Harvard dissertation (1942); proceedings and notes on the Chicago Cosmic Ray Symposium (1939) Pocoho Quantum Electrodynamics Conference (1948), Bristol Cosmic Ray Particles Conference (1951) & Moscow Cosmic Ray Conference (1959); "A Cloud Chamber Study of the Ionizing Cosmic Ray Particles at Sea-Level" ca. (1946); Relativistic Mechanics (1970) ; European trip report (1987), "Recollections of the Ehrenfest Family" (1936-38), and Physics 322 course notes (1966)