Lunar geology

Early schooling and education in England; training in geology at London University; Ph.D. studies at Yale University in late 1950s; work on problems in lunar and Martian geology in the 1960s. Detailed discussion of his research at Yale with Carl Turekian, involvement with high-pressure geological research at University of Western Ontario, and participation in 1960s Air Force-sponsored Luster Sounding rocket program to determine micrometeorite flux rates.

Early schooling and university training; association with the Oliver Machinery Company; involvement in the Applied Physics Laboratory of the Johns Hopkins University during World War II; lunar studies from the 1940s into the 1970s. Recollections of professional employment at the Flower Observatory of the University of Pennsylvania in the 1930s, and the Dearborn Observatory of Northwestern University from 1938 to 1942.