William Schaus Jr. was son of Wilhelm (later William) Schaus Sr. (1821–1892), 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, in 1901 and 1905. In 1919 Schaus joined the
Bureau of Entomology of the
United States Department of Agriculture and, in 1921, began a long association with the
Smithsonian Institution as an honorary curator of insects in the
United States National Museum, He purchased most of the
Dognin Collection for the USNM in 1925. == Death ==