Archbishop Matthew Parker's claim to a place of respect in the estimation of posterity is as nearly secure as could be hoped for by any historical figure. This secure position is based primarily upon his implementation of the Elizabethan Settlement, his scholarship, his conveyance of an impression of mildness in an age not especially notable for its tolerance, and, finally, his efficiency as an administrator. As archbishop of Canterbury he had many functions and duties of national importance. He was royal advisor, president of the Convocation of the Clergy, visitor of Oxford Colleges, gaoler of deprived bishops, host to foreign dignitaries, sede vacante ordinary (i.e. temporary acting bishop in sees which fell vacant), one of the Queen's Commissioners in Causes Ecclesiastical, etc.