The Pontifical College Josephinum is a Roman Catholic seminary and private university in Columbus, Ohio. It was founded by Joseph Jessing in 1888 to prepare seminarians for the many German-speaking communities in the United States at that time. The college was granted the status of a Pontifical College in 1892 by Pope Leo XIII, making it the only pontifiā¦The Pontifical College Josephinum is a Roman Catholic seminary and private university in Columbus, Ohio. It was founded by Joseph Jessing in 1888 to prepare seminarians for the many German-speaking communities in the United States at that time. The college was granted the status of a Pontifical College in 1892 by Pope Leo XIII, making it the only pontifical seminary in North America. The institution is accredited by the Higher Learning Commission and Association of Theological Schools in the United States and Canada.