Albert of Brandenburg
Cardinal and Elector of the Holy Roman Empire.
The son of Elector John, "the Cicero" of Brandenburg, he became Archbishop of Magdeburg, 1513, Archbishop of Mainz, 1514, and cardinal-priest, 1518.
Having been entrusted with the publication of the Indulgence issued by Leo X, he employed Tetzel to do the preaching.
To Albert, Luther addressed his protest.
In his youth worldly and overfond of humanistic studies, he reformed and became a defender of the Faith in Germany.
New Catholic Dictionary