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Van Vleck, John Hasbrouck

(Encyclopedia) Van Vleck, John Hasbrouck, 1899–1980, American physicist, b. Middletown, Conn., Ph.D. Harvard, 1922. As a professor at Harvard, Van Vleck developed fundamental theories on the quantum…

Helst, Bartholomeus van der

(Encyclopedia) Helst, Bartholomeus van derHelst, Bartholomeus van derbärˌtōlōmāˈəs vän dər hĕlst [key], 1613–70, Dutch portrait painter. In Amsterdam the wealthy citizens preferred his flattering,…

Oldenbarneveldt, Johan van

(Encyclopedia) Oldenbarneveldt, Johan vanOldenbarneveldt, Johan vanyōhänˈ vän ôlˌdənbärˈnəvĕlt [key], 1547–1619, Dutch statesman. He aided William the Silent in the struggle for Dutch independence…

Woestijne, Karel van de

(Encyclopedia) Woestijne, Karel van deWoestijne, Karel van dekäˈrəl vän də v&oomacr;ˈstīnə [key], 1878–1929, Flemish symbolist poet and novelist. He also had some reputation as a painter. He…

VAN DYKE, Nicholas, Congress, DE (1738-1789)

VAN DYKE, Nicholas, (father of Nicholas Van Dyke [1770-1826]), a Delegate from Delaware; born in New Castle County, Del., September 25, 1738; studied law in Philadelphia, Pa.; admitted to the…

Van Rensselaer, Martha

(Encyclopedia) Van Rensselaer, Martha, 1864–1932, American home economist and pioneer in the development of extension courses for women in rural areas, b. Randolph, N.Y. In 1900 she joined the…