Basel Zionist Congress attendees Portraits; Groups

John D. Hope's grandfather's grandmother attended this conference

Audience members (including Max Rieser?); 3rd International Congress of Aesthetics; Venice Portraits Groups

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

Audience members (including Max Rieser?); 3rd International Congress of Aesthetics; Venice Portraits Groups

Digital Image