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Keywords from Image Description:
Solvay conference . First Solvay conference on Chemistry Georges Chavanne Octave DonyHnault Frdric Swarts CharlesVictor Mauguin douard Herzen Flamache Edouard Hannon Auguste Piccard Marcel Delpine Einar Biilmann Henri Wuyts Thomas Martin Lowry Georges Urbain Jean Perrin Frans Maurits Jaeger Andr Louis Debierne Hans Rupe Alfred Berthoud