Portrait of George Louis Wolff (Gerd Ludwig Wolff) holding a mouse in his genetics laboratory; Little Rock, Arkansas.

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Tombstone for Fritz Gottschalk who died in an avalanche in 1935; Bothfeld Cemetery; Hannover.

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Tombstone for Fritz Gottschalk who died in an avalanche in 1935; Bothfeld Cemetery; Hannover.

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Lola and George Gruenthal in Neu-Ulm Portraits Family

"When will you come back?" (written in German on verso)

George Gruenthal as a child Portraits Children

Son of Max and Lola Gruenthal

Portrait of William and Charlotte Engel Levison Portraits Couples

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Dr. William Levison working at a desk Portraits Men

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Portrait of Dr. William Levison Portraits Men

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Portrait of Dr. William Levison in military uniform Portraits Men

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Group US Army military portrait including Dr. William Levison (top row, third from left); Schofield Barracks, Hawaii Portraits Groups Men

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Portrait of Dr. William Levison smoking a corn pipe Portraits Men

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