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The Reformation has typically been seen in two great contexts, the corruption and chronic institutional weakness of the late medieval church and the challenges presented by humanism. The dominating early figure has been Martin Luther, who, it has been claimed, sparked off the Reformation when he posted his Ninety-Five Theses on the door of the Castle Church in Wittenberg.
The Reformation has also been placed in the context of earlier reforming movements, those of the Englishman John Wyclif (d. 1384) and the Czech Jan Hus (c.1369-1415). Wyclif had formulated a theology of predestination, rejected transubstantiation and advocate clerical marriage. His followers, known as Lollards, went underground but survived into the early sixteenth century. Hus advocated ‘utraquism’, the laity receiving the sacrament in both kinds, which was a fundamental attack on the privileges of the clergy. He was burned at the Council of Constance in 1415 but the Hussite church remained secure in its national setting of Bohemia and Moravia.