Desiderius Erasmus (c. 1466–1536), a Dutch humanist, Catholic priest, and scholar, was one of the most influential Renaissance figures. A professor of divinity and Greek, Erasmus wrote, taught, and travelled, meeting with Europe’s foremost scholars. A prolific author, Erasmus wrote on both ecclesiastic and general human interest subjects.John W. O'Malley, S.J., is professor in the Department of Church History at the Weston Jesuit School of Theology.