Informal Group

Guglielmo Marconi with others at Caltech
Walther Mayer with others at Hale Observatories
Walther Mayer with others on a catwalk
Alfred Hanson
Hedwig Kohn, Frau Schaefer, Franklin Dlugosch and Frau Bergmann at table
Hedwig Kohn with others at table
Hedwig Kohn with others at Otto Lummer's birthday
Hedwig Kohn with others at Otto Lummer's birthday
Hedwig Kohn boarding a train
Hedwig Kohn walking with Frau Senftleben, Bergmann and Frau Bergmann
Hedwig Kohn walking with Frau Senftleben, Bergmann and Frau Bergmann
Hedwig Kohn with her school class
Hedwig Kohn at the beach with others
Hedwig Kohn with her school class in 1906
Hedwig Kohn having a picnic with others
Hedwig Kohn, Mr. Bergmann, Frau Bergmann and Frau Senftleben outdoors
G. Karrholm with others at Zelazowa Wola
Group of individuals at the opening of Zoe
Frederic Joliot-Curie showing journalist around at Zoe
E632 1990 at UC Berkeley

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