Susy Glaubach working in a laboratory; Vienna Portraits Women

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Outdoor group portrait, Haus Horst Changer?, including Ernst Peter Pick (first row center) Portraits Groups

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Reproduction of portrait of Albert Einstein smoking his pipe and holding a pen drawn by Carola Spaett-Hauschka Portraits Men

Handwritten by artist bottom right: Prof. Einstein from life Carola Spaett-Hauschka Cold Lyme 1935

Reproduction of drawn portrait of Albert Einstein Portraits Men

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Audience members (including Max Rieser?); Second International Congress of the International Union for the Philosophy of Science; Zurich Portraits Groups Men

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