William Duncan (1717 in Aberdeen – 1760 in Aberdeen) was a Scottish natural philosopher and classicist, professor of natural philosophy at Marischal College, Aberdeen.
The Elements of Logick in Four Books, London: R. Dodsley, 1748.
The Commentaries of Caesar, Translated into English, to Which Is Prefixed, A Discourse Concerning the Roman Art of War, London: J. & R. Tonson, 1753.
Cicero's Select Orations, Translated into English, with the Original Latin, from the Best Editions, in the Opposite Page, and Notes Historical, Critical, and Explanatory, London: G. Keith, 1756.
Duncan is also sometimes miscredited with The Elements of Moral Philosophy written by David Fordyce.[3]
^Haakonssen, Knud (2006), "Duncan, William", in Haakonssen, Knud (ed.), The Cambridge History of Eighteenth-Century Philosophy, vol. 2, Cambridge University Press, p. 1166