 The appellation, however, by which he is generally known is that of Lanspergius (latinization 'of Landsberg'), from his birthplace.He was born at Landsberg am Lech in Bavaria 1489, died at Cologne on 11 August 1539.After studying philosophy at the University of Cologne, he joined the Carthusian Order at the age of twenty (1509), entering the Charterhouse of St. Barbara at Cologne.