Charles Horace Clapp was a geologist, professor of geology and mining, third president of the Montana School of Mines in Butte, Montana, and fifth president of the State University at Missoula (now the University of Montana Missoula). These papers include his personal, professional, and presidential correspondence, speeches, subject files, teaching notes, lantern slides, maps, publications, photos, reports, and various materials from other geological projects with which he was involved.
George M. Dennison was a student of history, a U.S. Navy veteran, and a longtime member of the Academy. He spent his professional career teaching history and serving in university administration, including as President of the University of Montana from 1990-2010. This collection contains lectures notes, research notes, and drafts of manuscripts, including drafts of a book he was writing about the history of the University of Montana at the time of his death in 2017.