Fritz Gottschalk outdoors dressed in his hiking clothes Portraits Men

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Portrait of Dr. Joseph Wallerstein holding his infant grandson Hans Stern.

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Portrait of Leopold Meyerhof in his World War I officer's uniform Military; World War I; Portraits

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Franz Matthiesen outdoors with his second wife Katherina Früh outside of Franz's Carton Hill home; London.

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Fritz Gottschalk and his children boating on a mountain lake; Titisee, Germany.

From left to right: Ursula, Walter, Hal, Kurt, Fritz, and Elizabeth Gottschalk; the lake is probably the Titisee near the Swiss border in the Black Forest, Germany

Gathering in the home of Dr. Alfred Stern and his wife Lotte nee Wallerstein; Paula Wallerstein nee Molling; Rheydt, Germany. Portraits Groups

Dr. Alfred Stern probably standing far left; Paula Wallerstein nee Molling seated in center

Albert Einstein with his son-in-law Rudolf Kayser Portraits Groups; Men

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Albert and Elsa Einstein at the Shanghai home of Chinese painter and calligrapher Wang Yiting; with Shanghai University President Yu Youren, former Beijing University professor Zhang Junmai, the Einstein's Japanese hosts Mr. and Mrs. Inagaki, and Einstein's colleague Mr. Pfister and his wife (and daughter?) Portraits Groups

Dedication: Freundlichste Erinnerung an Herrn Prof. Einstein und seine Frau Gemahlin. I-Jing Wang, Shanghai, China

Albert and Elsa Einstein with Judge Irving Lehmann and his wife Sissie; Port Chester, New York Portraits Groups

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Portrait of Heinrich Stahl standing at his desk; Berlin Portraits; Men

Signed lower right by photographer Casparius

Portrait of Heinrich Stahl seated at his desk; Berlin Portraits; Men

Signed lower right by photographer Casparius

Jakob Guggenheimer and his daughter Irene Einstein walking past antisemitic graffiti "Juden in Ulm nicht errwuenscht!" (Jews are not welcome in Ulm); Stuttgarterstrasse; Ulm/Donau Antisemitica

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The photographer Harry Polk outdoors with his daughter Grace Polk Portraits Family

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Portrait of Ernst Gottschalk with his wife Louise "Isa" nee Rosenthal; Welwyn Garden City, England.

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Franz Matthiesen and his mother Aenny Catzenstein nee Gottschalk; Oslo Court, London.

At the time Franz was ill with cancer but Aenny did not know.