Leo C. Ferrari taught in the Philosophy Department of St. Thomas University from 1961 (in Chatham) to 1995. He wrote poetry, published extensively on human rights, and was an authority on St. Augustine of Hippo. With UNB colleagues in Computer Science and Classics, he published a two-volume concordance to Augustine's "Confessions" (Olms-Weidmann, 1991(. With his wife, Lorna Drew, he published Different Minds: Living with Alzheimer Disease (Goose Lane, 2005). He was co-founder and long-serving president of the Flat Earth Society; in 1995, he donated archival materials concerning the Society to the Harriet Irving Library.