‘He went to Mr. Busby’s, the schoolemaster of Westminster, at whose howse he was; and he made very much of him…There he learnd to play 20 lessons on the organ. He there in one weeke’s time made himselfe master of the first VI bookes of Euclid, to the admiration of Mr. Busby (now S.T.D.), who introduced him’ Biography of Robert Hooke, John Aubrey’s Brief Lives.…