Leonard Eugene Boyle, OP OC (13 November 1923 - 25 October 1999)[1] was an Irish and Canadian scholar in medieval studies and palaeography.
He was the first Irish and North American Prefect of the Vatican Library in Rome from 1984 to 1997.
Boyle served as Professor of Latin Paleography and History of Medieval Theology at the Pontifical University of St. Thomas Aquinas in Rome from 1956 to 1961.
[3] In 1984 he was appointed Prefect of the Vatican Library by Pope John Paul II.
Boyle employed women for the first time as part of the library's staff.