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Ignatieff, Michael Grant

(Encyclopedia)Ignatieff, Michael Grant ĭgnătˈēəf [key], 1947–, Canadian politician, writer, and academic, b. Toronto, B.A. Univ. of Toronto (1969), Ph.D. Harvard (1976), M.A. Cambridge (1978). He was an assi...

microphone

(Encyclopedia)microphone, device for converting sound into electrical energy, used in radio broadcasting, recording, and sound amplifying systems. Its basic component is a diaphragm that responds to the pressure or...

United States Naval Observatory

(Encyclopedia)United States Naval Observatory, a federal astronomical observatory, located in Washington, D. C. It evolved from the Navy's oldest scientific institution, the Depot of Charts and Instruments, founded...

Alvarez, A.

(Encyclopedia)Alvarez, A. (Alfred Alvarez) ălvärˈĕz, ălˈvərĕzˌ [key], 1929–2019, English writer, critic, and poet. He was a theater critic, a writer for the British Broadcasting Corp., a poetry editor an...

Henry, Pierre Georges

(Encyclopedia)Henry, Pierre Georges, 1927–2017, French composer noted for his contributions to electronic music. He studied with Nadia Boulanger and Olivier Messiaen at the Paris Conservatory, where he met Pierre...

Westminster, City of

(Encyclopedia)Westminster, City of, inner borough (1991 pop. 181,500) of Greater London, SE England, on the Thames River. Westminster is the location of the principal offices and residences of Great Britain's natio...

journalism

(Encyclopedia)journalism, the collection and periodic publication or transmission of news through media such as newspaper, periodical, television, and radio. By broadcasting events such as the Watergate hearin...

electronics

(Encyclopedia)electronics, science and technology based on and concerned with the controlled flow of electrons or other carriers of electric charge, especially in semiconductor devices. It is one of the principal b...

Benn, Anthony Wedgwood

(Encyclopedia)Benn, Anthony Wedgwood (Tony Benn), 1925–2014, British politician, b. London, grad. New College, Oxford. After working for the British Broadcasting Corporation (1949–50), he was elected a Labour m...

Thant, U

(Encyclopedia)Thant, U o͞o thänt [key], 1909–74, Burmese diplomat, secretary-general of the United Nations (1962–72). Educated at University College, Yangon, he later held positions in education, the press, a...

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