Image: Nicola Perscheid - Carl Duisberg vor 1930

Description: Porträt des Chemikers Carl Duisberg (* 29. September 1861 in Wuppertal-Barmen; † 19. März 1935 in Leverkusen)
Title: Nicola Perscheid - Carl Duisberg vor 1930
Credit: Nicola Perscheid, Theodor und Jacob Hilsdorf, August Sander. Der rheinland-pfälzische Beitrag zur Geschichte der Photographie. Katalog Landesmuseum Mainz 1989. see also: Menschen der Zeit, Langewiesche Verlag, Königstein/Leipzig 1930, S.43
Author: Nicola Perscheid
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