
An 18th-century thinker whose analysis of self-interest and markets became the foundational text for modern economic thought.
With 'An Inquiry into the Nature and Causes of the Wealth of Nations' (1776), Adam Smith dismantled mercantilist orthodoxy and founded modern economics. The quiet, often absent-minded Scottish professor argued that individuals pursuing self-interest in free markets generate collective wealth through specialization and trade — an 'invisible hand' guiding prosperity. A central figure of the Scottish Enlightenment, Smith moved among thinkers like David Hume. His first major work, 'The Theory of Moral Sentiments' (1759), traced human empathy to an innate desire for mutual approval, positing that social harmony springs from this impulse. Smith was no pure ideologue; he acknowledged government's necessary roles in defense, justice, and public works. His systematic analysis transformed political economy from a branch of moral philosophy into a distinct field of study. The vocabulary and concepts he introduced — division of labor, free trade, market mechanisms — remain central to economic debate today. Smith died in 1790, his ideas shaping generations of policymakers and scholars.
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He was reportedly so prone to daydreaming that he once fell into a tanning pit while walking and conversing.
He spent several years touring Europe as a private tutor to a young Scottish duke, which funded his later life as a writer.
His personal library was extensive, and he bequeathed much of it to close friends, complicating its historical record.
He never married and lived most of his life with his mother.
The exact cause of his death is unclear, but a chronic intestinal condition is often cited.
“It is not from the benevolence of the butcher, the brewer, or the baker that we expect our dinner, but from their regard to their own interest.”