In 1521, Pole went to the University of Padua, where he met leading Renaissance figures, including Pietro Bembo, Gianmatteo Giberti (formerly Pope Leo X's datary and chief minister), Jacopo Sadoleto, Gianpietro Carafa (the future Pope Paul IV), Rodolfo Pio, Otto Truchsess, Stanislaus Hosius, Cristoforo Madruzzo, Giovanni Morone, Pier Paolo Vergerio the younger, Peter Martyr Vermigli and Vettor Soranzo. The last three were eventually condemned as heretics by the Catholic Church, with Vermigli—as a well-known Protestant theologian—having a significant share in the Reformation in Pole's native England.