Schwenkfeld, Kaspar von (käsˈpär fən shvĕngkˈfĕlt) [key], 1490–1561, German religious reformer. Schwenkfeld was in court service with the duke of Liegnitz from 1510 to c.1522. He visited Wittenberg during Martin Luther's absence at the Wartburg and there met the radical reformers Thomas Münzer and Carlstadt. Returning to Liegnitz, he devoted himself to the reform movement in Silesia. Luther suspected Schwenkfeld of Anabaptist leanings and opposed his belief that the Eucharist was only a spiritual symbol (see Lord's Supper). After Lutheranism became dominant in Silesia, Schwenkfeld was forced to move to Strasbourg and later to Ulm. An anathema was proclaimed against him by the Lutherans at Schmalkald, and his books were banned. He offered a full statement of faith in Konfession und Erklärung (1540) and enunciated the differences between Luther and Huldreich Zwingli. An important part of his belief was the distinction between the outward and transitory word of God as given in the Scriptures and an inward spirit, divine, eternal, and necessary for salvation. His followers, known as Schwenkfeldians or
See study by R. E. McLaughlin (1986).