Studio portrait of Dr. Moritz Kroner (center) with two unidentified men in military uniform.

Digital Image

Reproduction of World War I portrait of Dr. Nathan Wolf of the 2nd Company of the 1st Landsturm Infantry Regiment Portraits Men

Dr. Nathan Wolf's medals: (bottom left) silver Wound Badge; Iron Cross 2nd Class; Iron Cross 1st Class; Zaehringer Loewe (Baden); (on right) Medal of the Turkish Crescent

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

Digital Image

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

Digital Image

Josef Rieser drinking the waters with an unidentified man in the streets of Marienbad, Czechoslovakia Portraits Men

Digital Image

Autographed portrait of expressionist painter Emil Luethy dedicated to Max Rieser Portraits Men

Digital Image

Studio portrait of expressionist painter Emil Luethy; Basel Portraits Men

Digital Image

Portrait of unidentified man Portraits Men

Digital Image

Dr. William Levison working at a desk Portraits Men

Digital Image

Portrait of Dr. William Levison Portraits Men

Digital Image

Portrait of Dr. William Levison in military uniform Portraits Men

Digital Image