Biographical interview with Wal Sargent. Effort made to not focus on topics covered in other interviews (ex: Alan Lightman; interview with Sargent in CHP collection re: Keck Telescope). Focuses on childhood and schooling and various professorial appointments as well as discussion of atmosphere and research at Caltech. Interest in elemental abundances and B2FH paper. Personal research at Caltech including work on QSO and research with Peter Young. Extensive discussion on the use of telescopes including learning to observe and use of Image Photon Counting System in the 1970s and 1980s. Role of serendipity in science and WS's interest in astronomical peculiarities. Also includes discussion of Sargent's personal interests including music and sports (esp. sumo wrestling).