The royal supremacy established by Henry VIII was never fully defined or resolved. Was it an imperial kingship or a mixed polity - the king-in-parliament? Professor G.R Elton's theory of parliamentary supremacy has been accepted for many years, but more recently this theory has come under attack from Professors Peter Lake, John Guy, and Patrick Collinson. They have shown that it was not strictly the case that either the royal supremacy or the ecclesiastical polity of the Tudors was a settled issue; there was a tension and an uncertainty that underlay both the Henrician break with Rome in 1534 and the Elizabethan Settlement of 1559, yet this tension was not brought to surface of Tudor political debate until the latter part of Elizabet...