Department of Entomology, National Museum of Natural History Department of Entomology, National Museum of Natural History The Department of Entomology is a research department and collection unit of the Smithsonian Institution's National Museum of Natural History (NMNH), located in Washington, DC. The department houses the U.S. National Insect Collection, one of the largest entomological collections in the world, with over 35 million specimens housed in 132,354 drawers, 33,000 jars or vials, and 23,000 slides in more than 5,200 cabinets. The department also includes research scientists and technical staff from the Smithsonian Institution, the United States Department of Agriculture Systematic Entomology Lab (SEL) and United States Department of Defense
Smithsonian Libraries its 40th anniversary. Nancy E. Gwinn, PhD, was named director in 1997. The original library was founded by an Act of Congress on August 10, 1846, when the Smithsonian Institution was named a trust instrumentality of the United States. The Act created a Board of Regents for the Institution, and called for a building to house a museum with geological and mineralogical cabinets, a chemical laboratory, a gallery of art, lecture rooms, and a library. The Smithsonian Libraries system as it exists today was not established until 1968, when Secretary S. Dillon Ripley realized that the existing library organization was