1911 Encyclopædia Britannica/Stewart, Dugald
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Stewart, Dugald (1753-1828), Scottish philosopher, was born in Edinburgh on the 22nd of November 1753. His father, Matthew Stewart (1715-1785), was professor of mathematics in the university of Edinburgh (1747-1772). Dugald Stewart was educated in Edinburgh at the high school and the university, where he read mathematics and moral philosophy under Adam Ferguson. In 1771, in the hope of gaining a Snell exhibition and proceeding to Oxford to study for the English Church, he went to Glasgow, where he attended the classes of Thomas Reid. While he owed to Reid all his theory of morality, he repaid the debt by giving to Reid's views the advantage of his admirable style and academic eloquence. In Glasgow Stewart boarded in the same house with Archibald Alison, author of the Essay on Taste, and a lasting friendship sprang up between them. After a single session in Glasgow, Dugald Stewart, at the age of nineteen, was summoned by his father, whose health was beginning to fail, to conduct the mathematical classes in the university of Edinburgh. After acting three years as his father's substitute he was elected professor of mathematics in conjunction with him in 1775. Three years later Adam Ferguson was appointed secretary to the commissioners sent out to the American colonies, and at his urgent request Stewart lectured as his substitute. Thus during the session 1778-1779, in addition to his mathematical work, he delivered an original course of lectures on morals. In 1783 he married Helen Bannatyne, who died in 1787, leaving an only son, Colonel Matthew Stewart. In 1785 he succeeded Ferguson in the chair of moral philosophy, which he filled for a quarter of a century and made a centre of intellectual and moral influence. Young men were attracted by his reputation from England, and even from the Continent and America. Among his pupils were Sir Walter Scott, Jeffrey, Cockburn, Francis Horner, Sydney Smith, Lord Brougham, Dr Thomas Brown, James Mill, Sir James Mackintosh and Sir Archibald Alison. The course on moral philosophy embraced, besides ethics proper, lectures on political philosophy or the theory of government, and from 1800 onwards a separate course of lectures was delivered on political economy, then almost unknown as a science to the general public. Stewart's enlightened political teaching was sufficient, in the times of reaction succeeding the French Revolution, to draw upon him the undeserved suspicion of disaffection to the constitution. The summers of 1788 and 1789 he spent in France, where he met Suard, Degérando, Raynal, and learned to sympathize with the revolutionary movement.
In 1790 Stewart married a second time. Miss Cranstoun, who became his wife, was a lady of birth and accomplishments, and he was in the habit of submitting to her criticism whatever he wrote. A son and a daughter were the issue of this marriage. The death of the former in 1809 was a severe blow to his father, and was the immediate cause of his retirement from the active duties of his chair. Before that, however, Stewart had not been idle as an author. As a student in Glasgow he wrote an essay on Dreaming. In 1792 he published the first volume of the Elements of the Philosophy of the Human Mind; the second volume appeared in 1814, and the third not till 1827. In 1793 he printed a textbook, Outlines of Moral Philosophy, which went through many editions; and in the same year he read before the Royal Society of Edinburgh his account of the Life and Writings of Adam Smith. Similar memoirs of Robertson the historian and of Reid were afterwards read before the same body and appear in his published works. In 1805 Stewart published pamphlets defending Mr (afterwards Sir John) Leslie against the charges of unorthodoxy made by the presbytery of Edinburgh. In 1806 he received in lieu of a pension the nominal office of the writership of the Edinburgh Gazette, with a salary of £300. When the shock of his son's death incapacitated him from lecturing during the session of 1809-1810, his place was taken, at his own request, by Dr Thomas Brown, who in 1810 was appointed conjoint professor. On the death of Brown in 1820 Stewart retired altogether from the professorship, which was conferred upon John Wilson, better known as "Christopher North." From 1809 onwards Stewart lived mainly at Kinneil House, Linlithgowshire, which was placed at his disposal by the duke of Hamilton. In 1810 appeared the Philosophical Essays, in 1814 the second volume of the Elements, in 1815 the first part and in 1821 the second part of the "Dissertation" written for the Encyclopaedia Britannica "Supplement," entitled "A General View of the Progress of Metaphysical, Ethical, and Political Philosophy since the Revival of Letters." In 1822 he was struck with paralysis, but recovered a fair degree of health, sufficient to enable him to resume his studies. In 1827 he published the third volume of the Elements, and in 1828, a few weeks before his death, The Philosophy of the Active and Moral Powers. He died in Edinburgh on the 11th of June 1828. A monument to his memory was erected on Calton Hill.
Stewart's philosophical views are mainly the reproduction of his master Reid (for his ethical views see Ethics). He upheld Reid's psychological method and expounded the "common-sense" doctrine, which was attacked by the two Mills. Unconsciously, however, he fell away from the pure Scottish tradition and made concessions both to moderate empiricism and to the French ideologists (Laromiguière, Cabanis and Destutt de Tracy). It is important to notice the energy of his declaration against the argument of ontology, and also against Condillac's sensationalism. Kant, he confessed, he could not understand. Perhaps his most valuable and original work is his theory of taste in the Philosophical Essays. But his reputation rests rather on his inspiring eloquence and the beauty of his style than on original work.
Stewart's works were edited in 11 vols. (1854-1858) by Sir William Hamilton and completed with a memoir by John Veitch. Matthew Stewart (his eldest son) wrote a life in Annual Biography and Obituary (1829), republished privately in 1838. For his philosophy see McCosh, Scottish Philosophy (1875), pp. 162-173; A. Bain, Mental Science, pp. 208, 313 and app. 29, 65, 88, 89; Moral Science, pp. 639 seq.; Sir L. Stephen, English Thought in the XVIIIth Century.