This lecture was given on May 13th, 2024, at Oxford University. For more information on upcoming events, visit us at thomisticinstitute.org/upcoming-events About the Speaker: Professor Marianne Schlosser works as a professor of spiritual theology at the University of Vienna. She was a member of the International Theological Commission from 2014-2019, and in 2018 received the Ratzinger prize in recognition of her work. Her main fields of research are theology, patrology, and the spirituality of the High Middle Ages, with particular emphasis on mendicant orders, the Eucharist, and the discovery of classical texts with a Christian ethos.