Entomology, macroinvertebrate biology
M. A., Biology (emphasis in ecology), University of Nevada, Reno, 1972
B.A., Biology (emphasis in ecology), The College of Idaho, 1967
William Clark is retired from 29+ years as an entomologist for the Idaho Department of Environmental Quality, having statewide responsibilities for stream water quality research and 5+ years at Idaho Power Company in Boise, as a Macroinvertebrate Biologist responsible for the study of T&E snail species in the Middle Snake River. Served a tour of duty in the Republic of Vietnam with the United States Army, 25th Division, Medical Corps.
Clark is the Director and Curator of Invertebrates/entomology and co-founder of the Orma J. Smith Museum of Natural History at The College of Idaho in Caldwell. With the assistance from many dedicated volunteers, he runs the day to day operations of the Museum as well as the long term curation and preservation of the Museum's many collections. Started insect collection in Ensenada and have been appointed Investigador Adjunto, Museo de Artrópodos de Baja California, Departamento de Biología de la Conservación, Centro de Investigación Científica y de Educación Superior de Ensenada, in 1997. He has been involved in several arthropod biodiversity projects in Baja California resulting from over 65 research expeditions to the peninsula, in addition to coordinating work in the Museum collection. Clark is currently also conducting a biodiversity project involving the desert ants of Big Bend National Park, Texas. He is an affiliate faculty member in Entomology at the University of Idaho. Clark is a member of numerous scientific societies and serves on the Executive Committee of the Idaho Academy of Science, and numerous other positions and committees.