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Title: Sigard Adolphus Knopf, German-American Physician
Caption: Sigard Adolphus Knopf (1857-1940) was a physician specializing in tuberculosis and medical writer who wrote, A History of the National Tuberculosis Association. He was also a member of margaret Sanger's American Birth Control League and Professor of Phthisiotherapy at the New York Post-Graduate Medical School and Hospital.
Category: black & white • Science: Personalities
Credit: Album / NLM/Science Source
Image size: 2700 × 3958 px | 30.6 MB
Print size: 22.9 × 33.5 cm | 1063.0 × 1558.3 in (300 dpi)