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Clarke, Samuel

(Encyclopedia)Clarke, Samuel, 1675–1729, English philosopher and divine. His chief interest was rational theology, and, although a critic of the deists, he was in sympathy with some of their ideas. He supported t...

Boscovich, Ruggiero Giuseppe

(Encyclopedia)Boscovich, Ruggiero Giuseppe ro͞od-jāˈrō jo͞ozĕpˈpā bôsˈkōvēch [key], 1711–87, Italian mathematician, astronomer, and physicist. He became a Jesuit and taught at Rome, Pavia, and Milan. ...

atomism

(Encyclopedia)atomism, philosophic concept of the nature of the universe, holding that the universe is composed of invisible, indestructible material particles. The theory was first advanced in the 5th cent. b.c. b...

Halley, Edmond

(Encyclopedia)Halley, Edmond hălˈē, hôˈlē [key], 1656–1742, English astronomer and mathematician. He is particularly noted as the first astronomer to predict the return of a comet and the first to point out...

centripetal force and centrifugal force

(Encyclopedia)CE5 Centripetal and centrifugal forces: When a ball is swung in a circle at the end of a string, centripetal and centrifugal forces act as shown above. centripetal force and centrifugal force, act...

Murray, Philip

(Encyclopedia)Murray, Philip, 1886–1952, American labor leader, b. Blantyre, Scotland. He emigrated to the United States in 1902 and worked in the Pennsylvania coal mines. After he was discharged for fighting wit...

Morris, Lewis, 1671–1746, American colonial official

(Encyclopedia)Morris, Lewis, 1671–1746, American colonial official, first lord of the manor of Morrisania in New York. The son of Richard Morris (d. 1672; see Morris, family), he was born in that part of Westches...

Morris, Lewis, 1726–98, American political leader

(Encyclopedia)Morris, Lewis, 1726–98, American political leader, signer of the Declaration of Independence, b. Morrisania, N.Y. (now part of the Bronx); elder half-brother of Gouverneur Morris. A wealthy landowne...

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