Topics discussed by Louis Witten in this interview include: Peter Bergmann, childhood and background, being drafted during World War II, meteorology, radar applications in weather, Glenn Martin Company, Johnrass Hopkins University, Franco Rasetti, Theodore Berlin, Gilbert Plass, Lyman Spitzer, Stellarator, Atomic Energy Commission, Martin Kruskal, Martin Schwarzschild, University of Maryland, Elliot Montroll, statistical mechanics, Massachusetts Institute of Technology (MIT) Lincoln Laboratory, George Trimble, Research Institute for Advanced Study (RIAS), Solomon Lefschetz, Robert Bender, gravity, Roger Penrose, Gravity Research Foundation (GRF), unified field theory, John Wheeler, Stanley Deser, quantum gravity, Bryce DeWitt, and general relativity.