[294] Stephen Peter Rigaud (1774-1839), Savilian professor of geometry at Oxford (1810-27) and later professor of astronomy and head of the Radcliffe Observatory. He wrote _An historical Essay on first publication of Sir Isaac Newton's Principia_, Oxford, 1838, and a two-volume work entitled _Correspondence of Scientific Men of the 17th Century_, 1841. [295] It is no longer considered by scholars as the work of Newton. [296] J. Edleston, the author of the _Correspondence of Sir Isaac Newton and Professor Cotes_, London, 1850. [297] Palmer (1601-1647) was Master of Queen's College, Cambridge, a Puritan but not a separatist. His work, _The Characters of a believing Christian, in Paradoxes and seeming contradictions_, appeared in 1645. [298] Grosart (1827-1899) was a Presbyterian clergyman. He was a great bibliophile, and issued numerous reprints of rare books. [299] This was the year after Palmer's death. The title was, _The Remaines of ... Francis Lord Verulam....; being Essays and severall Letters to severall great personages, and other pieces of various and high concernment not heretofore published_, London, 1648, 4to. [300] Shaw (1694-1763) was physician extraordinary to George II. He wrote on chemistry and medicine, and his edition of the _Philosophical Works of Francis Bacon_ appeared at London in 1733. [301] John Locke (1632-1704), the philosopher. This particular work appeared in 1695. There was an edition in 1834 (vol. 25 of the _Sacred Classics_) and one in 1836 (vol. 2 of the _Christian Library_).