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Langmuir, Irving

(Encyclopedia)Langmuir, Irving lăngˈmyo͞or [key], 1881–1957, American chemist, b. Brooklyn, N.Y. Associated (1909–50) with the research laboratory of the General Electric Company, he introduced atomic-hydrog...

Pennell, Joseph

(Encyclopedia)Pennell, Joseph pĕnˈəl [key], 1857–1926, American illustrator, etcher, lithographer, and author, b. Philadelphia, studied at the Pennsylvania Academy of the Fine Arts. Much of his time was spent ...

Adams, James Truslow

(Encyclopedia)Adams, James Truslow trŭˈslō [key], 1878–1949, American historian, b. Brooklyn, N.Y. The Founding of New England (1921), which brought him the Pulitzer Prize in history for 1922, was followed by ...

Corinth, Gulf of

(Encyclopedia)Corinth, Gulf of, inlet of the Ionian Sea, c.80 mi (130 km) long and from 3 to 20 mi (4.8–32 km) wide, indenting central Greece and separating the Peloponnesus from the Greek mainland. It is connect...

Esperanto

(Encyclopedia)Esperanto ĕspəränˈtō [key], an artificial language introduced in 1887 and intended by its inventor, Dr. Ludwik Lejzer Zamenhof (1859–1917), a Polish oculist and linguist, to ease communication ...

Ludwigshafen am Rhein

(Encyclopedia)Ludwigshafen am Rhein lo͞otˌvĭkhs-häˈfən äm rīn [key] or Ludwigshafen, city (1994 pop. 168,130), Rhineland Palatinate, W Germany, a port on the left bank of the Rhine River. It is connected by...

Wheatstone, Sir Charles

(Encyclopedia)Wheatstone, Sir Charles hwētˈstōn, –stən [key], 1802–75, English physicist and inventor. He was professor at King's College, London, from 1834. A pioneer in telegraphy, he was coinventor with ...

Bombelli, Rafael

(Encyclopedia)Bombelli, Rafael, 1526–1572, Italian mathematician and engineer, b. Bologna. When a marsh reclamation project (c.1550–1560) in the Tuscan Appenines on which he was an engineer was suspended, he pe...

Kerch

(Encyclopedia)Kerch kyĕrch [key], city (1989 pop. 174,000), E Crimea. It lies on the Kerch Strait of the Black Sea and at the eastern end of the Kerch Peninsula, a strip of land between the Sea of Azov and the Bla...

Del Rio

(Encyclopedia)Del Rio rēˈō [key], city (2020 pop. 34,673), seat of Val Verde co., W Tex., on the Rio Gra...