Career
A great patron and lover of the arts and Sciences, Luther called him "the greatest bishop of the century". John gained a Bachelor of Arts in 1484 and a master"s degree in 1487, and then studied Canon law in Italy. As Bishop John was patron of artists, including Albrecht Dürer and Lucas Cranach, and poets.
He corresponded with Martin Luther on matters of theology and was involved in the founding of University of Wittenberg.