Whilst on the subject of the interest in Leonardo amongst the early members of the Grand Lodge, I have checked that Thomas Coke, Earl of Leicester, who bought the Codex Leicester whilst on the Grand Tour, was also prominently involved with the freemasons during the 1720s. He was, including being Grand Master in 1731. Is there a connection or was it just part of the general milieu of those with scientific interests round Newton ? He certainly was pretty deeply knowlegeable about antique and Renaissance culture, having spent six years on the Grand Tour, departing in 1712 aged fifteen with a tutor, Thomas Hobart, who was a Fellow of Christ’s, and a valet, Edward Jarret, who kept detailed accounts. A year later, aged only sixteen, he described himself as ‘a perfect virtuoso, and a great lover of pictures’. He attended the Academy in Turin in 1715 and wrote how ‘one of the greatest ornaments of a gentleman or his family is a fine library’. The second part of the year he spent in France and Germany, but returned to Italy in 1716 ‘to confirm myself in the language and virtuosoship of that Country’. He acquired the Codex in 1717 from Giuseppe Ghezzi, whilst also employing Joseph Smith to act as his agent in Venice , learning about architecture from ‘Signor Giacomo’ and spending time in Naples with William Kent.