DescriptionWander Johannes de Haas (1878-1960). Third Solvay Conference, 1921 (cropped).jpg English: Wander Johannes de Haas (1878-1960) at the Third Solvay Conference...
Third Solvay Conference on Physics, Brussels, 1921 http://info.med.yale.edu/library/exhibits/curie/institut.html Stehend (Von links nach rechts): William...
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