Shelby White and Leon Levy Archives Center, Institute for Advanced Study, Princeton, NJ, USA
Photograph collection - Einstein-- EB Series-barn collection\10-EB PHOTOS with A.E.-6-7 inch (1 of 2-dated)
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In Caputh, Germany, where he had a summer house, Albert Einstein with his eldest son, Hans Albert, and grandson, Bernhard Caesar, who was the eldest son of Hans Albert.