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Lincoln, Robert Todd

(Encyclopedia)Lincoln, Robert Todd, 1843–1926, American lawyer and public official, b. Springfield, Ill., son of Abraham Lincoln and Mary Todd Lincoln. He served on General Grant's staff and after the Civil War s...

Kerensky, Aleksandr Feodorovich

(Encyclopedia)Kerensky, Aleksandr Feodorovich kərĕnˈskē, Rus. əlyĭksänˈdər fyôˈdərəvĭch kâˈrĭnskē [key], 1881–1970, Russian revolutionary. A lawyer, he was elected to the fourth duma in 1912 as ...

Trumbull, Lyman

(Encyclopedia)Trumbull, Lyman, 1813–96, U.S. Senator from Illinois (1855–73), b. Colchester, Conn. He taught school in Georgia, was admitted to the bar, and in 1837 moved to Illinois. After serving in the state...

Woonsocket

(Encyclopedia)Woonsocket wo͞onsŏkˈĭt, wo͝on– [key], city (1990 pop. 43,877), Providence co., N R.I., on both sides of the Blackstone River; settled c.1666, set off from Cumberland 1867, inc. as a city 1888. ...

McCulloch, Hugh

(Encyclopedia)McCulloch, Hugh məkŭlˈək [key], 1808–95, American financier and public official, b. Kennebunk, Maine. Educated at Bowdoin College, he studied law in Boston and practiced two years at Fort Wayne,...

Lane, James Henry

(Encyclopedia)Lane, James Henry, 1814–66, American politician, called the “liberator of Kansas.” He was probably born in Lawrenceburg, Ind., where he practiced law. Lane commanded an Indiana regiment in the M...

Planck, Max

(Encyclopedia)Planck, Max mäks plängk [key], 1858–1947, German physicist. Seeking to explain the experimental spectrum (distribution of electromagnetic energy according to wavelength) of blackbody radiation, he...

Teller, Edward

(Encyclopedia)Teller, Edward, 1908–2003, American physicist, b. Budapest, Hungary, Ph.D. Univ. of Leipzig, 1930, where he studied under Werner Heisenberg. Fleeing the Nazis, he came to the United States in 1935 a...

uncertainty principle

(Encyclopedia)uncertainty principle, physical principle, enunciated by Werner Heisenberg in 1927, that places an absolute, theoretical limit on the combined accuracy of certain pairs of simultaneous, related measur...

Everett, Edward

(Encyclopedia)Everett, Edward ĕvˈrĭt, ĕvˈərĭt [key], 1794–1865, American orator and statesman, b. Dorchester, Mass., grad. Harvard (B.A., 1811; M.A., 1814). In 1814 he became a Unitarian minister in Boston...