The Nuttall Encyclopedia
One of the leaders of the Reformation, born at Weinsberg, in Würtemberg; became preacher at Basel, assisted Erasmus in his edition of the New Testament, entered a convent at Augsburg, came under Luther's influence and adopted the reformed doctrine, of which he became a preacher and professor, embraced in particular the views of Zwingli (1482-1531).
Wood, James, ed. Entry for 'Oecolampadius, Joannes'. The Nuttall Encyclopedia. https://www.studylight.org/encyclopedias/eng/nut/o/oecolampadius-joannes.html. Frederick Warne & Co Ltd. London. 1900.