Cardinal, theologian, born Krakow, Poland, 1504; died Capranica, near Rome, 1579.
After studying at Krakow, Padua, and Bologna, he became secretary of the Polish chancery, and in 1543 received the priesthood.
He negotiated the alliance between Poland, Bohemia, and the Empire, 1550, and soon was raised to the See of Culm.
He at once devoted himself to the extirpation of heresy, a policy he continued successfully after his translation to the Prince-Bishopric of Ermland, 1557.
Mainly through his efforts was Poland saved to the faith.
His Confessio fidei, an elaborate exposition of Catholic doctrine, written in elegant Latin, is one of the masterpieces of the Reformation period.
In 1518 he was called to Rome to aid the Curia; he arranged for the reopening of the Council of Trent and converted Prince Maximilian of Bohemia from heresy.
He supported energetically the reform work of Saint Pius V and Gregory XIII, and died highly esteemed for his sanctity.
New Catholic Dictionary