General interview examining family origins; early life in Milwaukee; interest in mechanical things; development of interest in astronomy; engineering at University of Wisconsin, Milwaukee campus; interest in photoelectric photometry; graduate study at Madison and work with C. Huffer and I. Stebbins; Stebbins and A.E. Whitford’s work; graduate study at Lick Observatory and Berkeley; photoelectric instrumentation; Lick in the pre-war years; World War II at MIT and Caltech; return to Lick and use of lP2l photomultipliers; W.