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Wallis, John

(Encyclopedia)Wallis, John wŏlˈĭs [key], 1616–1703, English mathematician. He was Savilian professor of geometry at Oxford from 1649. He systematized the use of formulas, introduced the symbol ∞ for infinity...

Wilbye, John

(Encyclopedia)Wilbye, John wĭlˈbē [key], 1574–1638, English madrigal composer. Although only two sets of his madrigals (1598, 1609) are extant, their excellence distinguishes him as perhaps the greatest Englis...

Butler, John

(Encyclopedia)Butler, John, 1728–96, Loyalist commander in the American Revolution, b. New London, Conn. He served in the French and Indian Wars and distinguished himself especially by leading the Native American...

Clare, John

(Encyclopedia)Clare, John, 1793–1864, English poet. A romantic poet who wrote shortly after the vogue for such verse, he had a profound and singular gift for capturing nature in exquisitely specific detail. The s...

Hunyadi, John

(Encyclopedia)Hunyadi, John ho͝onˈyŏdĭ [key], Hung. Hunyadi János, c.1385–1456, Hungarian national hero, leader of the resistance against the Ottomans. He was chosen (1441) voivode [governor] of Transylvania...

Norris, John

(Encyclopedia)Norris, John, 1657–1711, English clergyman and philosopher. As the most prominent follower of Malebranche he wrote, in exposition of that philosopher's system, An Essay towards the Theory of the Ide...

John Henry

(Encyclopedia)John Henry, legendary African American famous for his strength, celebrated in ballads and tales. In the most popular version of the story, John Henry tries to outwork a steam drill with only his hamme...

York, Richard, duke of

(Encyclopedia)York, Richard, duke of, 1411–60, English nobleman, claimant to the throne. He was descended from Edward III through his father, Richard, earl of Cambridge, grandson of that king, and also through hi...

Flanagan, John

(Encyclopedia)Flanagan, John flănˈəgən [key], 1865–1952, American sculptor and medalist. In 1932 he designed the George Washington silver quarter. In addition to medals and plaquettes, he produced larger work...

Slidell, John

(Encyclopedia)Slidell, John slīdĕlˈ, slīˈdəl [key], 1793–1871, American political leader and diplomat, b. New York City. He became a prominent lawyer and political figure in New Orleans and served as a Demo...