The little-known origin of Thomas Cromwell's power

Thomas Cromwell rose from poor beginnings to become chief minister and power behind the throne to King Henry VIII. However, at the moment of his greatest triumph Cromwell was usurped and destroyed. Falling victim to the King's anger, he was beheaded in 1540. He has gone down in history as an ambitious and corrupt politician. But, this historical documentary asks, is this really fair? Watch the full documentary on BBC Select