Dr. Margarethe Rosenberg with her camera.

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Dr. Margarethe Rosenberg with her camera; Mount Vernon, New York.

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Alfred Lichtenstein, self-portrait with Hasselblad camera.

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Reproduction of photograph of Kurt Fritz Rosenberg walking among ruins with his camera; Greece.

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Dr. Margarethe Rosenberg with her camera.

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Alfred Lichtenstein, self-portrait with Hasselblad camera.

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Reproduction of photograph of Kurt Fritz Rosenberg walking among ruins with his camera; Greece.

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Family and guests at Aenny Catzenstein nee Gottschalk's 80th birthday party; London.

Dinner scene with Franz Mattheisen left, daughter Susan Mattheisen next to him, next daughter Maren Matthiesen, his wife Olga Matthiesen at the end of the table. Beatrice Durand is facing the camera

Gottschalk family on vacation in front of Kurhaus Brunig; Norderney, Germany.

From left to right: man with camera: Karl Gottschalk; sitting on stairs: Fritz Gottschalk, unidentified woman, Therese Gottschalk nee Molling, Hans Ludwig, Kurt Gottschalk, unidentified woman (maid?) and Elizabeth Gottschalk

Albert Einstein; California Portraits; Men

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Albert Einstein writing; California Portraits; Men

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Family and guests at Aenny Catzenstein nee Gottschalk's 80th birthday party; London.

Dinner scene with Franz Mattheisen left, daughter Susan Mattheisen next to him, next daughter Maren Matthiesen, his wife Olga Matthiesen at the end of the table. Beatrice Durand is facing the camera

Gottschalk family on vacation in front of Kurhaus Brunig; Norderney, Germany.

From left to right: man with camera: Karl Gottschalk; sitting on stairs: Fritz Gottschalk, unidentified woman, Therese Gottschalk nee Molling, Hans Ludwig, Kurt Gottschalk, unidentified woman (maid?) and Elizabeth Gottschalk

Albert Einstein; California Portraits; Men

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Albert Einstein writing; California Portraits; Men

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