Abstract
John Baconthorpe canvasses a number of views on the question of the identity of the feature of a divine person that enables that person to become incarnate. The possible features are: the divine essence, the personal property, or the union of both. The views considered are those of Duns Scotus, Durandus of Saint-Pourcain, Peter Auriol, and an Oxonian theologian Walter Burdon, none of whose writing otherwise survive. Baconthorpe's own view is that the union of essence and person is the relevant incarnation-permitting feature