Identification key available upon request.

Department of Physics at the Washington University in Spring 1959
Physics Department at the University of Pittsburgh in 1932-33
Attendees of the Mass Spectroscopy Conference for the National Bureau of Standards
Gordon Research Conferences 1964
Sloane Laboratory Personnel at Yale University, May 1951
Gordon Research Conference 1958
International Congress on Theoretical Physics 1965
First meeting of the Society for Natural Philosophy
Group photo from Stephen Hawking's 60th Birthday Celebration, Workshop, and Conference
Symposium in Honor of Ugo Fano
Bohr, Takamine, Nishina and Others Outdoors
Science Advisory Committee 1966
Group photograph including wives, at Niels Bohr Institute Copenhagen Conference, 1963
Group at Conference on Semi-Conductors in Reading, England in 1950
Gordon Research Conference


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