Dr. Rittman, Photograph shows chemical engineer Walter Frank Rittman (1883-1954)., between ca. 1915 and ca. 1920, Glass negatives, 1 negative: glass

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Photo credit: © Penta Springs / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., 1, 1883-1954, 1915, 1920, ca, chemical, dr, engineer, frank, glass, negative, negatives, photograph, rittman, walter