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Graham, Thomas

(Encyclopedia)Graham, Thomas, 1805–69, Scottish chemist, best known for research in diffusion in both gases and liquids that led to his formulation of Graham's law. His discovery that certain substances (e.g., gl...

Canada Act

(Encyclopedia)Canada Act, also called the Constitutional Act of 1982, which made Canada a fully sovereign state. The British Parliament approved it on Mar. 25, 1982, and Queen Elizabeth II proclaimed it on Apr. 17,...

South Platte

(Encyclopedia)South Platte plăt [key], river, c.450 mi (720 km) long, rising in the Rocky Mts. in many branches, which then join in central Colorado. It flows in a narrow canyon E and NE to Denver, then NE across ...

Adams, Herbert Baxter

(Encyclopedia)Adams, Herbert Baxter, 1850–1901, American historian, b. Shutesbury, near Amherst, Mass. In 1876, the year he received his doctorate at Heidelberg, he became one of the original faculty of Johns Hop...

Rawlinson, Sir Henry Creswicke

(Encyclopedia)Rawlinson, Sir Henry Creswicke, 1810–95, English Orientalist and administrator; brother of George Rawlinson. In the course of his service with the Persian army and as consul at Baghdad, Rawlinson be...

Bajer, Fredrik

(Encyclopedia)Bajer, Fredrik frāᵺˈrĭk bīˈər [key], 1837–1922, Danish pacifist and writer. He helped found the International Peace Bureau at Bern in 1891, and he shared the 1908 Nobel Peace Prize with K. P...

Ducommun, Élie

(Encyclopedia)Ducommun, Élie ālēˈ dükômöNˈ [key], 1833–1906, Swiss journalist and pacifist. He organized (1891) the International Peace Bureau at Bern and shared the 1902 Nobel Peace Prize with C. A. Goba...

Dunn, Oscar James

(Encyclopedia)Dunn, Oscar James, c.1825–71, African-American politician, lieutenant governor of Louisiana (1868–71), b. New Orleans. A former slave, he fought for the Union and joined the Republican party (1863...

Wald, Lillian D.

(Encyclopedia)Wald, Lillian D. wôld [key], 1867–1940, American social worker and pioneer in public health nursing. In 1893 she organized a visiting nurse service, which became the nucleus of the noted Henry Stre...

Claxton, Philander Priestly

(Encyclopedia)Claxton, Philander Priestly, 1862–1957, American educator, b. Bedford co., Tenn., grad. Univ. of Tennessee (B.A., 1882; M.A., 1887) and studied at Johns Hopkins and in Germany. After several years' ...