Hermann Jakob Knapp

Hermann Jakob Knapp (March 17, 1832 – April 30, 1911) was a German-American ophthalmologist and otologist.

He was born in Dauborn, Nassau. He earned his medical degree from the University of Giessen in 1854. As a young physician he studied with Franciscus Cornelis Donders in Utrecht, William Bowman in London, Albrecht von Graefe in Berlin and Hermann von Helmholtz in Heidelberg. From 1860 until 1868 he was a professor of ophthalmology at Heidelberg.

He emigrated to New York City, where he worked as a surgeon. In 1869 he founded the New York Ophthalmic and Aural Institute, which from 1913 to 1939 was called the Herman Knapp Memorial Hospital. In 1882, he was made professor of the New York University Medical College. In 1888, he was appointed professor of ophthalmology at the College of Physicians and Surgeons, Columbia University, and in 1902 he became emeritus professor. His son, Arnold Knapp (1869–1956) was also a noted ophthalmologist.

In 1869, with Salomon Moos (1831–1895), he founded the "Archives of Ophthalmology and Otology" (Archiv für Augen- und Ohrenheilkunde), an international scientific monthly journal that was published in Wiesbaden (in German) and New York (in English). In 1878 the archives split into two independent entities; as the "Archives of Ophthalmology" (Archiv für Augenheilkunde) and the "Journal of Otology" (Zeitschrift für Ohrenheilkunde).

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