(b ?1715; d London, Feb 7, 1791).
English draughtsman, engraver and dealer. As agent to a number of patrons and subsequently librarian to George III, he was one of the most influential figures in the sphere of collecting in England for some four decades. He was the son of the Rev. John Dalton and younger brother of the Rev. John Dalton, poet and divine, whose connection with Algernon Seymour, Earl of Hertford (later 7th Duke of Somerset), forwarded Richard’s early career in Italy. He had arrived there by 1739 and may have trained in Bologna; by 1741 he was studying under Agostino Masucci in Rome and was already active as a dealer, selling a collection of prints in that year to Henry Clinton, 9th Earl of Lincoln, and cultivating the patronage of Sir Erasmus Philipps, Bart.
In 1749 Dalton visited Calabria and Sicily and then, in his capacity as travelling draughtsman, joined the party of James Caulfeild, 1st Earl of Charlemont, on a tour of Egypt, Turkey and Greece. He was possibly the first English artist to record the ancient monuments of these places. A selection of drawings executed on this tour was engraved by Dalton and published in ...