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Bradford, William, 1722–91, American Revolutionary printer and patriot

(Encyclopedia)Bradford, William, 1722–91, American Revolutionary printer and patriot; grandson of William Bradford (1663–1752). He learned printing from his uncle, Andrew Bradford, in Philadelphia, and in 1742 ...

Zewail, Ahmed Hassan

(Encyclopedia)Zewail, Ahmed Hassan, 1946–2016, Egyptian-American chemist, b. Damanhur, Egypt, Ph.D. Univ. of Pennsylvania, 1974. He became a U.S. citizen in 1982. A professor at the California Institute of Techno...

Boehm, Martin

(Encyclopedia)Boehm, Martin bām [key], 1725–1812, American evangelical preacher, b. Conestoga, Pa. He was the son of a Palatinate Mennonite who settled in Lancaster co., Pa. Boehm became a Mennonite preacher c.1...

Bird, Robert Montgomery

(Encyclopedia)Bird, Robert Montgomery, 1806–54, American playwright and novelist, b. New Castle, Del., M.D. Univ. of Pennsylvania, 1827. He wrote several prizewinning verse plays for the actor Edwin Forrest, nota...

Weiser, Conrad

(Encyclopedia)Weiser, Conrad wīzˈər [key], 1696–1760, American pioneer, b. Württemberg, Germany. Arriving in America in 1710, his family settled in Livingston Manor, N.Y., and later at Schoharie. While still ...

Carboniferous period

(Encyclopedia)Carboniferous period kärbənĭfˈərəs [key], fifth period of the Paleozoic era of geologic time (see Geologic Timescale, tablegeologic timescale, table), from 350 to 290 million years ago. The pl...

Goiás

(Encyclopedia)Goiás goi-äsˈ [key], state, 211,941 sq mi (548,927 sq km), central Brazil. Goiânia is the capital. The ...

Fock, Jenő

(Encyclopedia)Fock, Jenő yĕˈnö fōk [key], 1916–2001, Hungarian Communist politician. He joined the Communist party in 1932, and from 1940 to 1943 he was imprisoned for his Communist activities. An economist,...

Corvallis

(Encyclopedia)Corvallis kôrvălˈĭs [key], city (2020 pop. 59,730), seat of Benton co., NW Oreg., on the ...

Pôrto Velho

(Encyclopedia)Pôrto Velho pōrˈto͝o vĕˈlyo͝o [key], city (1996 pop. 287,534), capital of Rondônia state, NW Brazil, on the Madeira River. It is a rail terminus and the last point of navigation on the river. ...