Keywords: Wilhelm Oechsli - ETH BIB Portr 00980 (Johannes Meiner).jpg depicted people Wilhelm Oechsli depicted place Other date ca 1897 photo bw paper Hochformat Spezialmass Institution ETH-Bibliothek Bildarchiv object history exhibition history credit line Inscription coa bottom left J Meiner Zürich Metropol bottom right accession number Portr_00980 http //doi org/10 3932/ethz-a-000045492 e-pics Bildarchiv online ETH Bibliothek PD-old-auto-1996 1941 CH Wilhelm Oechsli - ETH BIB Portr 00980 Johannes Meiner cropped jpg Wilhelm Oechsli Photographs by Johannes Meiner Bildarchiv der ETH-Bibliothek Zürich 19th-century portrait photographs of men at bust length Black and white portrait photographs of male scientists |