JOHN (1516-1587).-Martyrologist, was _b._ at Boston, Lincolnshire, and _ed._ at Oxf., where he became a Fellow of Magdalen Coll. While there he gave himself to the study of the theological questions then in debate, and ended by becoming a Protestant, in consequence of which he in 1545 left his coll. He then became tutor in the family of Sir T.