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Heisenberg, Werner

(Encyclopedia)Heisenberg, Werner vĕrˈnər hīˈzənbĕrk [key], 1901–76, German physicist. One of the founders of the quantum theory, he is best known for his uncertainty principle, or indeterminacy principle, ...

Nkrumah, Kwame

(Encyclopedia)Nkrumah, Kwame kwäˈmā nkro͞oˈmä [key], 1909–72, African political leader, prime minister ...

Calvinism

(Encyclopedia)Calvinism, term used in several different senses. It may indicate the teachings expressed by John Calvin himself; it may be extended to include all that developed from his doctrine and practice in Pro...

Cameron, Simon

(Encyclopedia)Cameron, Simon kămˈərən [key], 1799–1889, American politician and financier, b. Lancaster co., Pa. From humble beginnings he rose to be a newspaper publisher and with considerable success branch...

Bruno, Giordano

(Encyclopedia)Bruno, Giordano jōrdäˈnō bro͞oˈnō [key], 1548–1600, Italian philosopher, b. Nola. The son of a professional soldier, he entered the Dominican order early in his youth and was ordained a pries...

Adenauer, Konrad

(Encyclopedia)Adenauer, Konrad kônˈrät äˈdənouˌər [key], 1876–1967, West German chancellor. A lawyer and a member of the Catholic Center party, he was lord mayor of Cologne and a member of the provincial ...

Two Sicilies, kingdom of the

(Encyclopedia)Two Sicilies, kingdom of the. The name Two Sicilies was used in the Middle Ages to mean the kingdoms of Sicily and of Naples (see Sicily and Naples, kingdom of). Alfonso V of Aragón, who in 1442 reun...

speech, freedom of

(Encyclopedia)speech, freedom of, liberty to speak and otherwise express oneself and one's opinions. Like freedom of the press (see press, freedom of the), which pertains to the publication of speech, freedom of sp...

Pure Land Buddhism

(Encyclopedia)Pure Land Buddhism or Amidism, devotional sect of Mahayana Buddhism in China and Japan, centering on worship of the Buddha Amitabha. According to the Pure Land Sutras, composed in India in the 2d cent...

De Valera, Eamon

(Encyclopedia)De Valera, Eamon āˈmən dĕ vəlârˈə [key], 1882–1975, Irish statesman, b. New York City. He was taken as a child to Ireland. As a young man he joined the movement advocating physical force to ...