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Lardner, Ring

(Encyclopedia)Lardner, Ring (Ringgold Wilmer Lardner), 1885–1933, American humorist and short-story writer, b. Niles, Mich. He was a sports reporter in Chicago, St. Louis, and Boston from 1907 to 1919. His first ...

Moore, Gordon Earle

(Encyclopedia)Moore, Gordon Earle, 1929– American engineer, inventor, and entrepreneur, b. San Francisco, Ph.D. California Institute of Technology, 1954. He joined (1956) Shockley Semiconductor Laboratory, where ...

Koprowski, Hilary

(Encyclopedia)Koprowski, Hilary, 1916–2013, Polish-American microbiologist and immunologist, b. Warsaw, M.D. Univ. of Warsaw, 1939. He fled Poland after the Nazi invasion (1939), making his way to Brazil where he...

Kaplan, Mordecai Menahem

(Encyclopedia)Kaplan, Mordecai Menahem môrˈdĭkīˌ mənäkhˈəm kăpˈlən [key], 1881–1983, American rabbi, educator, and philosopher, b. Lithuania, grad. College of the City of New York, 1900, M.A. Columbia...

Gaonim

(Encyclopedia)Gaonim gāōˈnĭm [key] [Heb.,=excellencies], title given to the heads of the Jewish academies at Sura and Pumbedita in Babylonia immediately following the period of the Saboraim until the middle of ...

Flight 93 National Memorial

(Encyclopedia)Flight 93 National Memorial, memorial, visitors complex, and other facilities at the site of the crash of the hijacked United Airlines Flight 93 on Sept. 11, 2001, near Shanksville, Pa. The grounds, 2...

Humayun

(Encyclopedia)Humayun or Homayun ho͝omäˈyo͞on [key], 1507–56, second Mughal emperor of India (1530–56), son and successor of Babur. In 1535, pressed by enemy incursions into Rajasthan, Humayun defeated the ...

Jarrell, Randall

(Encyclopedia)Jarrell, Randall jərĕlˈ [key], 1914–65, American poet and critic, b. Nashville, Tenn., grad. Vanderbilt Univ. (B.A., 1935; M.A., 1938). His poetry, reflecting an unusually sensitive and tragic vi...

Du Pont, Pierre Samuel

(Encyclopedia)Du Pont, Pierre Samuel, 1870–1954, American industrialist, b. Wilmington, Del., grad. Massachusetts Institute of Technology, 1890. Du Pont worked as a chemist with the family's company, helping to d...

corundum

(Encyclopedia)corundum kərŭnˈdəm [key], mineral, aluminum oxide, Al2O3. The clear varieties are used as gems and the opaque as abrasive materials. Corundum occurs in crystals of the hexagonal system and in mass...