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gag rules

(Encyclopedia)gag rules, in parliamentary procedure, rules limiting or prohibiting free debate on a particular issue. In U.S. history, the term is applied especially to procedural rules in force in the House of Rep...

John Paul I

(Encyclopedia)John Paul I, 1912–78, pope (1978), an Italian (b. Canale d'Agordo) named Albino Luciani; successor of Paul VI. Born into a poor, working-class family, he trained at local seminaries and at the Grego...

mezzotint

(Encyclopedia)mezzotint mĕtˈsətĭnt, mĕdˈzə–, mĕzˈə– [key] [Ital.,=halftint], method of copper or steel engraving in tone. A Dutch officer, Ludwig von Siegen, is given credit for the invention of mezzo...

Mott, Sir Nevill

(Encyclopedia)Mott, Sir Nevill, 1905–96, British physicist. A professor at the Univ. of Bristol (1933–54) and the Univ. of Cambridge (1954–71), Mott won the Nobel Prize in Physics in 1977 for a lifetime of re...

Lind, James

(Encyclopedia)Lind, James, 1716–94, English naval surgeon. Considered the founder of naval hygiene in England, Lind observed on a ten-week cruise (1746) that 80 seamen of 350 came down with scurvy. In his Treatis...

Lenard, Philipp Eduard Anton

(Encyclopedia)Lenard, Philipp Eduard Anton fēˈlĭp āˈdo͞oärt änˈtōn lāˈnärt [key], 1862–1947, German physicist, b. Bratislava. After serving as professor at the universities of Kiel (1898–1907) and ...

Tsui, Daniel Chee

(Encyclopedia)Tsui, Daniel Chee, 1938–, Chinese-American physicist, b. Henan, China, Ph.D. Univ. of Chicago, 1967. He was a member of the technical staff at Bell Labs in Murray Hill, N.J., from 1968 to 1982, when...

Tyndall, John

(Encyclopedia)Tyndall, John tĭnˈdəl [key], 1820–93, British physicist, b. Ireland. He became (1853) professor of natural philosophy at the Royal Institution and in 1867 succeeded Michael Faraday, his friend an...

Calef, Robert

(Encyclopedia)Calef, Robert kāˈləf [key], 1648–1719, known primarily as author of More Wonders of the Invisible World (1700). A Boston cloth merchant, probably born in England, he bitterly attacked Cotton Math...

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