Roman Vishniac Dr. Roman Vishniac, Research in Microbiology, Cinemicroscopy 16 Date ca. 1947–1960s Dimensions Paper: 3 x 5 in. (7.6 x 12.7 cm) Print medium Ephemera Credit Line Gift of Mara Vishniac Kohn, 2013 Accession No. MVK.e.2008_rv_business card_03
