. . "No restrictions on use"@en . "The chart was donated to the United States Holocaust Memorial Museum in 1991 by Irmgard Nippert."@en . "Folding cardboard chart with images to classify iris markings; front panel of chart credits Michael Hesch of Leipzig."@en . "Racial classification set used to classify iris markings. Originally in the holdings of the Kaiser Wilhelm Institute in Berlin. Transferred to the Institute for Human Genetics at the University of Muenster in 1952 by founding director and former Wilhelm Institute director, Dr. Otmar Von Verschuer."@en . . . . "overall: Height: 2.990 inches (7.595 cm) | Width: 6.570 inches (16.688 cm)"@en . . "irn4727" . "Dr. Michael Hesch worked in the field of heredity. Steffan, Paul. Handbuch der Blutgruppenkunde, Dr. H Bèurkle-de la Camp...Dr. M. Hesch...Dr. O. Thomsen.... Mèunchen, J.F. Lehmann, 1932;\"Das gesamte Schrifttum der Blutgruppenkunde...1901-1931, von Dr. Michael Hesch [539]-646."@en . "Chart"@en . "No restrictions on access"@en . .