WILLIAM (1794-1866).-Philosopher, theologian and mathematician, _s._ of a joiner at Lancaster, where he was _b._, _ed._ at Camb., where he had a brilliant career. He became Prof. of Mineralogy at Camb. 1828, of Moral Theology 1838, was Master of Trinity from 1841 until his death, and he held the office of Vice-Chancellor of the Univ. in 1843 a