Topics discussed include: family background; undergraduate experiences at Amherst College; teaching at Amherst College; Naval experiences in World War II; discovery of the hydrogen radio emission and fate of the Ewen-Purcell horn; Hydrogen-line radiometer at Harvard and aftermath; Harvard University physics department; work with Kenneth Bainbridge, Edward Mills Purcell, Norman Ramsey, and Victor Weisskopf; work for the Navy on submarine detection; Ewen-Knight Corporation.