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Harold P. Alley was a nationally recognized expert in the field of weed science. A Wyoming native, Harold received his bachelor’s and master’s degrees from the University of Wyoming and his doctorate in botanical sciences from Colorado State University. Harold began working for the University of Wyoming as a student and eventually worked his way through the ranks to the title of professor of weed science and extension weed specialist. He was a member of distinguished organizations such as Alpha Zeta, Sigma Xi, American Science, Society of Agronomists, American Legion, and the American Association for the Advancement of Science. Upon his retirement in 1984, Harold received the designation of professor emeritus. Harold passed away in 1991.