Caption:
George Campbell (1719-1796) Scottish theologian. Principal of Marischal College, Aberdeen (1759-1796). Opposed the philosophy of John Locke and David Hume as he considered them an danger to faith. Engraving from "A Biographical Dictionary of Eminent Scotsmen" by the Rev. Thomas Thomson (Glasgow, Edinburgh and London, 1870). (Photo by: Universal History Archive/UIG via Getty Images)