Father Hinnebusch received his doctorate in philosophy from the University of Oxford where he studied prior to his assignment as professor of history at Providence College. He subsequently spent three years doing research at the Historical Institute of the Dominican Order in Rome where he published The Early English Friars Preachers. For many years he taught Church History at the Dominican House of Studies in Washington, DC. A contributor to the Encyclopedia Brittanica, the Catholic Youth Encyclopedia and the New Catholic Encyclopedia, Fr. Hinnebusch was also the author of Renewal in the Spirit of St. Dominic (1968).