Aenny Catzenstein nee Gottschalk (right) with unidentified woman; Ascona, Switzerland.

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Gottschalk children on vacation at a mountain lake; Titisee, Germany.

Front left to right: Ursula and Walter; back left to right: Kurt, Elizabeth, and Hal

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

Arthur Liebert, Albert Einstein, Franz Oppenheimer, Mrs. Kurt Goldstein, Fritz Medicus and Arthur Liebert's son walking outside the Grand Hotel Curhaus during the Davoser Hochschulkurse; Davos, Switzerland Portraits Groups

The Davoser Hochschulkurse took place for the first time in 1928. Mainly university teachers from Germany, France, Switzerland (perhaps elsewhere) offered lectures to students recovering from tuberculosis at the health resort in the Swiss mountains. The lecturers were accommodated at the Grand Hotel Curhaus, where the lectures also took place.

Lucien Levy-Bruehl, Albert Einstein, Franz Oppenheimer, Arthur Liebert and his son, Paul Tillich, unidentified woman and Mrs. Charles Blondel outside the Grand Hotel Curhaus during the Davoser Hochschulkurse; Davos, Switzerland Portraits Groups

The Davoser Hochschulkurse took place for the first time in 1928. Mainly university teachers from Germany, France, Switzerland (perhaps elsewhere) offered lectures to students recovering from tuberculosis at the health resort in the Swiss mountains. The lecturers were accommodated at the Grand Hotel Curhaus, where the lectures also took place.

Max and Martha Liebermann seated next to the lake; Wannsee Portraits Couples

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Freddy Godshaw (Gottschalk) with his friend Peter Zander celebrating their shared birthday; Cellerina, Switzerland.

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Ellen Bernkopf nee Catzenstein pumping water outdoors; Ascona, Switzerland. Portraits Women

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Studio portrait of Ellen Bernkopf nee Catzenstein; Ascone, Switzerland. Portraits Women

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Kurt and Edith Godshaw (Gottschalk) nee Osterer during a visit with Maren Matthiesen; Switzerland.

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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

Outdoor portrait of Peter Molling and Andree Molling nee Baer; Geneva, Switzerland.

Peter Molling (1924-1965) and Andree Mollling born Baer on the occasion of their engagement in Geneva, Switzerland in 1950

Adolpf Molling, Janet Krakauer nee McColl, Hymie Joachim and Thomas Krakauer (l-r); Weggis, Switzerland Portraits Groups

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Maren Matthiesen outdoors with dog; Coppet, Switzerland Portraits Women

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