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Torrey, John

(Encyclopedia)Torrey, John, 1796–1873, American botanist and chemist, b. New York City, M.D. College of Physicians and Surgeons, 1818. He was professor of chemistry (1827–55) at his alma mater and professor of ...

Richards, Ellen Henrietta Swallow

(Encyclopedia)Richards, Ellen Henrietta Swallow, 1842–1911, American chemist, educator, and organizer of the home economics movement, b. Dunstable, Mass., grad. Vassar, 1870. In 1870 she began the study of chemis...

Chauvin, Yves

(Encyclopedia)Chauvin, Yves, 1930–2015, French chemist, b. Menen, Belgium, grad. Lyon School of Chemistry, Physics, and Electronics (CPE), 1954. Chauvin was a research engineer (1960–91) and then research direc...

Urey, Harold Clayton

(Encyclopedia)Urey, Harold Clayton yo͝orˈē [key], 1893–1981, American chemist, b. Walkerton, Ind., grad. Univ. of Montana (B.S., 1917), Ph.D. Univ. of California, 1923. He taught at Johns Hopkins (1924–29), ...

Pople, Sir John Anthony

(Encyclopedia)Pople, Sir John Anthony pōpˈəl [key], 1925–2004, British computational chemist. Trained as a mathematician at Cambridge (B.A. 1946, Ph.D. 1951), he worked at Cambridge (1951–58) and England's N...

Silliman, Benjamin

(Encyclopedia)Silliman, Benjamin, 1779–1864, American chemist, geologist, and physicist, b. Trumbull, Conn., grad. Yale, 1796. In 1802 he was appointed first professor of chemistry and natural history at Yale; he...

Williams, Roger John

(Encyclopedia)Williams, Roger John, 1893–1988, American chemist, b. India, grad. Univ. of Redlands, Redlands, Calif. (B.S., 1914), Ph.D. Univ. of Chicago, 1919; brother of the chemist Robert R. Williams, Jr. He t...

Carothers, Wallace Hume

(Encyclopedia)Carothers, Wallace Hume kərŭᵺˈərz [key], 1896–1937, American chemist, b. Burlington, Iowa. He received his doctorate at the Univ. of Illinois in 1924, then taught organic chemistry there and a...

wildlife refuge

(Encyclopedia)wildlife refuge, haven or sanctuary for animals; an area of land or of land and water set aside and maintained, usually by government or private organization, for the preservation and protection of on...

Stephens, Alexander Hamilton

(Encyclopedia)Stephens, Alexander Hamilton, 1812–83, American political leader, Confederate vice president (1861–65), b. Taliaferro co. (then part of Wilkes co.), Ga. He was admitted to the bar in 1834, served ...