William Schaus

William Schaus (January 11, 1858 in New York City – June 20, 1942) was an American entomologist who became known for his major contribution to the knowledge and description of new species of the Neotropical Lepidoptera.

William Schaus, Jr. was son of Wilhelm, later William Schaus, Sr. (1820–1892), a German-immigrant art collector and dealer, proprietor of the Schaus Galleries in New York City, and of Margaret Connover.

He was educated initially at Exeter Academy and then in France and Germany, and was influenced early in his career by Henry Edwards, although he also studied languages, art and music. Schaus received the honorary degree of Master of Arts from the University of Wisconsin in 1921, and in 1925 that of honorary Doctor of Science from the University of Pittsburgh. He decided, despite parental opposition, and at the sacrifice of a promising career as successor in his father's business, to devote his life to the study of Lepidoptera.

Beginning in 1881, he travelled to Mexico, Costa Rica, Guatemala, Panama, Cuba, Jamaica, Dominica, Saint Kitts, the Guianas, Colombia and Brazil collecting over 200,000 Lepidopter, and by the purchase of the Dognin Collection of about 26,000 specimens of tropical moths and about 5,000 specimens of butterflies from the Old World, which was donated in 1901 and 1905 to the American Museum of Natural History.

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