Correspondence, petitions, statements, and other materials produced or compiled by Gordon L. Kilgour (1929-2016) in relation to his role as the chair of People Against Nerve Gas (P.A.N.G.). Kilgour was a chemistry professor at Portland State College (later Portland State University) in Portland, Oregon. People Against Nerve Gas was a group founded in 1970 to protest a proposed shipment of nerve gas from Okinawa, Japan, to the Umatilla Army Depot near Hermiston, Oregon.