Keywords: Walter Wyssling - ETH BIB Portr 01258 (Johannes Meiner).jpg depicted people Walter Wyssling depicted place Other date ca 1909 photo bw paper cardboard Hochformat Size cm 7 6 Institution ETH-Bibliothek Bildarchiv object history exhibition history credit line Prof Dr W Wyssling bottom accession number Portr_01258 http //doi org/10 3932/ethz-a-000045533 e-pics Bildarchiv online ETH Bibliothek PD-old-auto-1996 1941 CH Walter Wyssling Photographs by Johannes Meiner Bildarchiv der ETH-Bibliothek Zürich 20th-century black and white portrait photographs of men at bust length Black and white portrait photographs of male scientists |