[{"n": "Ignatius of Loyola", "u": "/e/part-1/ignatius-of-loyola/", "s": "Founder of the Jesuits and author of the Spiritual Exercises."}, {"n": "Innocent of Alaska", "u": "/e/part-1/innocent-of-alaska/", "s": "Russian Orthodox missionary, bishop, and Metropolitan of Moscow; enlightener of the Aleuts and apostle to Amer"}, {"n": "Isidore of Kiev", "u": "/e/part-1/isidore-of-kiev/", "s": "Byzantine prelate who pushed church union and whose deposition sparked Russian autocephaly."}, {"n": "Johann Eck", "u": "/e/part-1/johann-eck/", "s": "German Catholic theologian and opponent of Luther"}, {"n": "Johann Tetzel", "u": "/e/part-1/johann-tetzel/", "s": "Dominican friar whose indulgence sales spurred Luther's Reformation."}, {"n": "John of Ávila", "u": "/e/part-1/john-of-vila/", "s": "Apostle of Andalusia and Doctor of the Church"}, {"n": "Lanfranc", "u": "/e/part-1/lanfranc/", "s": "Italian-born Benedictine monk, scholar, and Archbishop of Canterbury, regarded as the greatest theologian of h"}, {"n": "Martin Bucer", "u": "/e/part-1/martin-bucer/", "s": "Alsatian reformer and ecumenical pioneer"}, {"n": "Meister Eckhart", "u": "/e/part-1/meister-eckhart/", "s": "German Dominican mystic and theologian, tried for heresy before his death."}, {"n": "Michael I Cerularius", "u": "/e/part-1/michael-i-cerularius/", "s": "Patriarch whose 1054 excommunication exchange with Rome precipitated the East–West Schism."}, {"n": "Peter Canisius", "u": "/e/part-1/peter-canisius/", "s": "The Dutch Jesuit whose catechisms and preaching rebuilt Catholicism in German lands."}, {"n": "Peter Damian", "u": "/e/part-1/peter-damian/", "s": "Italian reforming Benedictine monk and cardinal"}, {"n": "Peter Faber", "u": "/e/part-1/peter-faber/", "s": "Savoyard co-founder of the Jesuits, known for his gift of friendship and spiritual guidance."}, {"n": "Peter the Hermit", "u": "/e/part-1/peter-the-hermit/", "s": "Priest who led the People's Crusade and was linked to early massacres."}]