Thomas Hobbes and the Marquess of Newcastle both lived in Paris in the years 1646–8. They travelled some during this period, but not nearly as much as Bishop Bramhall. Among other things, the philosopher seems to have been working intermittently, and painfully slowly, on what would be published in 1655 as De Corpore. Early in 1646 Hobbes was busy preparing the second edition (first publication) of De Cive. His French friend in Amsterdam, Samuel Sorbière, supervised the publication by the Dutch firm Elzevir. Hobbes was planning to spend the summer of 1646 in Mountauban, in southern France, where he would stay with his young friend, Thomas de Martel, and where he hoped to work uninterruptedly on De Corpore. Meanwhile, having just left Jersey, Prince Charles arrived in Paris in July 1646, to spend the next few years alongside his mother, Henrietta Maria, at St Germain. For Hobbes, Languedoc and De Corpore would have to wait, for shortly after the arrival of Newcastle's former royal pupil, Hobbes was appointed to teach mathematics to the future King Charles II. The arrangement was for Hobbes to teach the sixteen-year-old boy mathematics for one hour and Dr John Earle, the anglican divine, to instruct him in religion and other subjects for another hour. Earle was a good friend of Hyde from Great Tew days, both had been with the prince in Jersey, and the two corresponded while Hyde remained at Jersey and Earle moved on to Paris to be with the prince.