Theodore Ducas begins the lecture event, held at MIT on November 21, 1977, by introducing Victor Weisskopf, who, in turn, introduces his longtime collaborator and friend, Hans Bethe. Bethe's lecture covers his experiences with early quantum mechanics. Subjects include: The limited early understanding and teaching of quantum mechanics at the University of Frankfurt in the 1920s; Bethe's eventual transfer to the University of Munich where he continued to develop his understanding of quantum mechanics with Arnold Sommerfeld; How his education was influenced by Erwin Schrd̲ingers work; Werner Heisenbergs matrix theory; Louis de Broglies wave theories; P.A.M. Diracs conclusions about light waves and light quanta; Bethe's thesis work on electron scattering. Other scientists mentioned are Enrico Fermi, Felix Bloch, Wolfgang Pauli, and Paul Peter Ewald. At the end of his lecture, Bethe takes questions from the audience and Weisskopf tells a story about Max Planck.