Dugald Stewart

Dugald Stewart FRSE FRS (/ˈduːɡəld, ˈdjuː-, ˈstuːərt, ˈstjuː-/; 22 November 1753 – 11 June 1828) was a Scottish philosopher and mathematician. He is best known for popularizing the Scottish Enlightenment, for his lectures at the University of Edinburgh were widely disseminated by his many influential students.

He was the son of Matthew Stewart (1715–1785), professor of mathematics at the University of Edinburgh (1747–1772), and was born in Edinburgh. He was educated at the Royal High School and the University of Edinburgh, 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 the University of Glasgow to attend the classes of Thomas Reid. To Reid he later owed his theory of morality. In Glasgow, Stewart boarded in the same house as Archibald Alison, author of the Essay on Taste, and a lasting friendship sprang up between them.

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