Longinus, 1st cent.

Unidentified Greek author of On the Sublime, which was for a time thought to be the work of rhetorician and philosopher Cassius Longinus, c. 213-273. After his text was translated into French by Boileau in 1674, it become one of the central works in eighteenth-century aesthetic theory.

Locke, John, 1632-1704

Locke's Essay Concerning Human Understanding (1690) and Thoughts Concerning Education (1693) both exerted a profound influence on educational and psychological theory during the eighteenth century and beyond. He argues against absolute monarchy in favor of government based on civil contract in Two Treatises of Government (1690). Some Thoughts Concerning Education (1693) also influenced the views on childrearing and education of a number of his eighteenth-century successors.

Lockhart, J. G. (John Gibson), 1794-1854

Scottish biographer, novelist, editor, and critic, as well as close friend, son-in-law, and biographer of Sir Walter Scott. He contributed to Blackwood's Edinburgh Magazine and the Quarterly Review, editing the latter from 1825-1853. Among other works, he published a Life of Robert Burns in 1828 and is best remembered for his Memoirs of the Life of Sir Walter Scott (1837-8), which is considered as one of the great biographies in the English language.