World War II work at the MIT Radiation Laboratory. Early postwar years at Princeton University. Research orientations; application of microwave techniques to determination of fundamental atomic constants. Background to paper on super-radiance. Government committee work to about the mid-1950s. Princeton Applied Research, a company organized by Dicke & others. Contact with Charles H. Townes. Consulting for Radio Corporation of America; patent obligations to RCA. Sources of financial support for research; Signal Corps support. Methods for choosing student thesis topics.