William Alfred Fowler (1911-1995). Early training at Ohio State (1929-1933). Graduate work at the California Institute of Technology. Research in the Kellogg Radiation Laboratory under Charles C. Lauritsen; memories of Robert Millikan. Demostration of correctness of Klein-Nishima formula. Collaboration and competition with Berkeley Radiation Laboratory and The Institute for Terrestrial Magnetism in Washington. Building cloud chambers to measure gamma radiation. J. Robert Oppenheimer's role in the Kellogg Laboratory. Discovery by Lauritsen and Crane of Hoyle's predicted resonance effect in carbon-12 nuclear reactions. Importance of Hans Bethe's 1938 "Physical Review" paper on C-N cycle in stars. Realtion tof Staub-Stevens work on mass 5 stability to George Gamow's Big Bang theory. F's work with C. Cook in 1954 validates Salpeter-Hoyle process of element synthesis for carbon-12. Sabbatical at Cambridge (1954-55) involving work with Fred Hoyle on neutron processes. Rivalry between Alistair Graham Walter Cameron and Fowler; distinction between theorists and phenomenologists. Effects of the war on Kellogg laboratory. Discovery of quasars and discussion with Richard Feynman and Chandrasekhar on the stability of supermassive objects.