Karl Gottschalk and Elisbeth nee Steinfeld with their son Rudolf Gottschalk (later Grahame) and son Fritz Gottschalk (Levy) of Lisbeth's first marriage.

Rudolf Gottschalk (later Grahame) on right; Fritz Gottschalk (Levy) on left

Karl Gottschalk and Elisbeth nee Steinfeld with their son Rudolf Gottschalk (later Grahame) and son Fritz Gottschalk (Levy) of Lisbeth's first marriage.

Rudolf Gottschalk (later Grahame) on right; Fritz Gottschalk (Levy) on left

Studio portrait of Josef Molling's fraternity; Heidelberg, Germany.

Josef Molling is sitting on the left

Studio portrait of Max Gruenthal Portraits Men

Signed lower left by photographer

Hugo Steiner-Prag and unidentified man discussing blueprints; Leipzig.

Photographers imprint bottom left

Studio portrait of Josef Molling's fraternity; Heidelberg, Germany.

Josef Molling is sitting on the left

Strauss family portrait; Würzburg.

Seated front center is grandmother Ernestine Strauss nee Uhlfelder (died before 1914, second wife of Leopold (Laemmle) Strauss) surrounded by six grandchildren; Benno Strauss is standing far left

Studio portrait of Josef Molling's fraternity; Heidelberg, Germany.

Josef Molling is sitting on the left

Studio portrait of Max Gruenthal Portraits Men

Signed lower left by photographer

Studio portrait of Josef Molling's fraternity; Heidelberg, Germany.

Josef Molling is sitting on the left

Autographed portrait of Albert Einstein with Alice (Lili) Kahler-Loewy Portraits Groups

Handwritten dedication signed by Einstein

Photograph of various photographs of Albert Einstein taken by photographer Trude Fleischmann.

Signed by photographer bottom left