He was posthumously declared a heretic by Martin V at the Council of Constance and his remains were exhumed and burned.
This man's followers were the primary targets of Thomas Arundel's De heretico comburendo. His followers were burnt at Amersham more than a century after his death. He was condemned by William Courtenay at the Earthquake Synod after being unjustly blamed for involvement in a revolt that was partially led by Jack Straw. William Fisher helped one of his prominent followers escape the Tower of London; that follower, later involved in the Southampton plot against Henry V, was Sir John Oldcastle. He was posthumously declared a heretic by Martin V at the Council of Constance and his remains were exhumed and burned. Famous for translating the Vulgate Bible into vernacular English, this is, for 10 points what religious reformer whose followers were known as Lollards?  
This man's followers were the primary targets of Thomas Arundel's De heretico comburendo.
John Wycliffe