Earl of Oxford for fifty years, and subject of six kings of England during the political strife of the Wars of the Roses, John de Vere's career included more changes of fortune than almost any other. He recovered his earldom after the execution of his father and brother for treason, but his resistance to Edward IV led to a decade in prison. He escaped in time to lead Henry Tudor's vanguard at Bosworth in 1485 and subsequently enjoyed twenty-five years as perhaps "the foremost man of the kingdom," virtually ruling East Anglia for the king. This is the first full-length study of de Vere's life...