This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Anniversary of Berlin Academy . en th Anniversary of Berlin Academy ru Top row left to right Albert Ladenburg Juli in Mannheim August in Breslau Sophus Mads Jrgensen Juli April dnischer Chemiker Edvard Hjelt Juni in Vihti Juli in Bad Mergentheim Hans Heinrich Landolt Dezember in Zrich Mrz in DeutschWilmersdorf