The Encyclopedia Americana (1920)/Knapp, Hermann

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KNAPP, Hermann, German-American physician: b. Dauborn, 17 March 1832; d. 1911. He studied in Munich, Würzburg, Berlin, Leipzig, Zurich, Vienna, Paris, London and Utrecht, and was appointed private teacher (docent) at Heidelberg (1860), becoming professor of ophthalmology at the university (1865). Coming to America be founded (1869) the New York Ophthalmic and Aural Institute, and was made professor (1882) of the New York University Medical College. He was appointed professor of ophthalmology (1888) at the College of Physicians and Surgeons, Columbia University, and (1902) emeritus professor. He did valuable service in optical surgery and wrote many valuable treatises on his special subjects, the eye and ear. Among his works are ‘Die Krümmung der Hornhaut des menschlichen Auges’ (Heidelberg 1860); ‘Die intraokularen geschwülste’ (Carlsruhe 1868); ‘Cocaine and its Use’ (New York 1885); ‘Investigations on Fermentation, Putrefaction and Suppuration’ (ib. 1886); ‘Cataract Extraction without Iridectomy’ (ib. 1887). In collaboration with Moos, he published Archives of Ophthalmology and Otology, from 1869, in English and German.