Oxford Friar's Voyage to the North Pole

In a book I have, entitled *Prospects of the most famous Parts of the World*, date 1646, occurs the following: "Towards the north pole we have gained, more in proportion, as far as Nova Zembla, and the sea is known to be navigable to the 81st degree: whether the rest be land or not it never yet appeared to any (as I heare of) but an Oxford Friar by a Magique voyage. He reports of a Black Rock just under the pole, and an Isle of Pygmies; other strange miracles, to which, for my part, I shall give little credit till I have better proof for it than the Devil's word." Query, Who was the friar? and…