The Pope and the Professor: Pius IX, Ignaz Von Dollinger, and the Quandary of the Modern Age - Paperbackby Thomas Albert Howard (Author) The Pope and the Professor tells the captivating story of the German Catholic theologian and historian Ignaz von Dollinger (1799 1890), who fiercely opposed the teaching of Papal Infallibility at the time of the First Vatican Council (1869 70), convened by Pope Pius IX (r. 1846 1878), among the most controversial popes in the history of the papacy. Dollinger's thought, his opposition to the Council, his high profile