1. ferguson, adam a Scotchphilosopher and historian, born at Logierait, Perthshire; after passing through the universities of St. Andrews and Edinburgh, he in 1745 was appointed Gaelicchaplain to the BlackWatchHighland Regiment, and was present at the battle of Fontenoy; in 1757 he became keeper of the Advocates' Library in Edinburgh; two years later professor of Natural Philosophy, and subsequently of Moral Philosophy in the university there; during his professorship he, as secretary, was attached to the commission sent out by Lord North to bring about a friendly settlement of the dispute pending between England and the North American colonies; resigning his chair in 1785 he retired to Neidpath Castle, to engage in farming at Hallyards, an estate in the same neighbourhood; died at St. Andrews; his best-known works are "Institutes of Moral Philosophy," "History of the Roman Republic," and "Principles of Moral and Political Science" (1723-1816).