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Logan, George

(Encyclopedia)Logan, George lōˈgən [key], 1753–1821, American political figure and agriculturist, b. near Germantown (now part of Philadelphia), grandson of James Logan. After obtaining a medical degree abroad...

Klein, Lawrence Robert

(Encyclopedia)Klein, Lawrence Robert, 1920–2013, American economist, b. Omaha, Nebr., Ph.D Massachusetts Institute of Technology, 1944. He was active in academia, government, and private research institutes throu...

Rittenhouse, David

(Encyclopedia)Rittenhouse, David, 1732–96, American astronomer and instrument maker, b. near Germantown, Pa., self-educated. A clockmaker by trade, he developed great skill in the making of mathematical instrumen...

River Brethren

(Encyclopedia)River Brethren, name used to designate certain Christian bodies originating in 1770, during a revival movement among German settlers in E Pennsylvania. In the 1750s, Mennonite refugees from Switzerlan...

Williams, C. K.

(Encyclopedia)Williams, C. K. (Charles Kenneth Williams), 1936–2015, American poet, b. Newark, N.J., grad. Univ. of Pennsylvania, 1959. He wrote more than 20 books of poetry, rich in detail, with complex syntax a...

Williamson, Hugh

(Encyclopedia)Williamson, Hugh, 1735–1819, American political leader, physician, and scientist, b. West Nottingham, Pa. He studied theology, preached for a short time, and then was (1760–63) professor of mathem...

Butler, Zebulon

(Encyclopedia)Butler, Zebulon, 1731–95, American colonial leader, b. Ipswich, Mass. After serving in the French and Indian Wars, Butler led a group of Connecticut settlers to the Wyoming Valley in N Pennsylvania....

Black, Jeremiah Sullivan

(Encyclopedia)Black, Jeremiah Sullivan, 1810–83, American cabinet officer, b. Somerset co., Pa. Admitted to the Pennsylvania bar in 1830, Black became a successful lawyer. As U.S. Attorney General (1857–60) und...

Blumberg, Baruch Samuel

(Encyclopedia)Blumberg, Baruch Samuel, 1925–2011, American biochemist and medical anthropologist, b. Brooklyn, N.Y., B.S. Union College, Schenectady, N.Y., 1946, M.D. Columbia, 1951, Ph.D. Oxford, 1957. From 1957...

Adler, Cyrus

(Encyclopedia)Adler, Cyrus ădˈlər [key], 1863–1940, American Jewish educator, grad. Univ. of Pennsylvania, 1883, Ph.D. Johns Hopkins, 1887. He taught Semitic languages at Johns Hopkins from 1884 to 1893. He wa...