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Swansea, city and county, Wales

(Encyclopedia)Swansea swŏnˈzē, –sē [key], Welsh Abertawe, city (1981 pop. 172,433) and county, 146 sq mi (378 sq km), S Wales. Located on Swansea Bay at the mouth of the Tawe River, the city of Swansea is a m...

Brest, city, France

(Encyclopedia)Brest brĕst [key], city, Finistère dept., NW France, on an inlet of the Atlantic Ocean. It ...

Afwerki, Isaias

(Encyclopedia)Afwerki or Afewerki, Isaias, 1945–, Eritrean political leader, president of Eritrea (1993–), b. Asmara. He studied engineering at the Univ. of Addis Ababa, leaving in 1966 to join the Eritrean Lib...

Brown, Harold

(Encyclopedia)Brown, Harold, 1927–2019, American nuclear physicist and government official, b. New York City, Ph.D. Columbia, 1949. He joined (1952) the staff of the Lawrence Radiation Laboratory (now Lawrence Li...

Whittle, Sir Frank

(Encyclopedia)Whittle, Sir Frank, 1907–96, English aeronautical engineer. Whittle was one of the first persons to associate the gas turbine with jet propulsion. Previously the gas turbine had been regarded as a m...

Berea, city, United States

(Encyclopedia)Berea bərēˈə [key]. <1> city (2020 pop. 16,594), Madison co., central Kentucky; inc...

Adler, Dankmar

(Encyclopedia)Adler, Dankmar, 1844–1900, American architect who, as a partner of Louis Sullivan, was an important influence on modern American architecture. Born in Germany, he immigrated to the United States at ...

Cerf, Vinton Gray

(Encyclopedia)Cerf, Vinton Gray, 1943–, American computer scientist, b. New Haven, Conn., B.S. Stanford, 1965, Ph.D. Univ. of California, Los Angeles, 1972. With Robert Kahn, he is responsible for the design and ...

Vitruvius

(Encyclopedia)Vitruvius (Marcus Vitruvius Pollio) vĭtro͞oˈvēəs [key], fl. late 1st cent. b.c. and early 1st cent. a.d., Roman writer, engineer, and architect for the Emperor Augustus. In his one extant work, D...

attention deficit hyperactivity disorder

(Encyclopedia)attention deficit hyperactivity disorder (ADHD), formerly called hyperkinesis or minimal brain dysfunction, a chronic, neurologically based syndrome characterized by any or all of three types of behav...