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Frederick the Wise

(Encyclopedia)Frederick the Wise: see Frederick III, elector of Saxony. ...

Isaac II

(Encyclopedia)Isaac II (Isaac Angelus) ănˈjələs [key], d. 1204, Byzantine emperor (1185–95, 1203–4). The great-grandson of Alexius I, he was proclaimed emperor by the mob that had killed the unpopular Andro...

Abarbanel, Isaac

(Encyclopedia)Abarbanel, Isaac: see Abravanel, Isaac. ...

Olivier, Isaac

(Encyclopedia)Olivier, Isaac: see Oliver, Isaac. ...

Isaac, Heinrich

(Encyclopedia)Isaac, Heinrich hīnˈrĭkh ēˈzäk [key], c.1450–1517, Flemish composer. Isaac, a prolific and versatile composer, traveled widely in Europe, serving at the courts of Lorenzo de' Medici and Empero...

Barrow, Isaac

(Encyclopedia)Barrow, Isaac, 1630–77, English mathematician and theologian. His method of finding tangents prefigured the differential calculus developed by Isaac Newton. He was professor of mathematics at Cambri...

Errett, Isaac

(Encyclopedia)Errett, Isaac ĕrˈĭt [key], 1820–88, American minister of the Disciples of Christ, b. New York City. After years of pastoral and evangelistic work in pioneer towns of Ohio and Michigan, he became ...

Mayer, Julius Robert von

(Encyclopedia)Mayer, Julius Robert von, 1814–78, German physician and physicist, studied medicine at Tübingen, Munich, and Paris. From a consideration of the generation of animal heat, he was led to determine th...

Oliver, Isaac

(Encyclopedia)Oliver or Olivier, Isaac ōlĭvˈēər [key], 1556?–1617, English miniature painter. Oliver was a worthy follower of Hilliard as miniature painter to Elizabeth's court. His work, more naturalistic t...

Jogues, Isaac

(Encyclopedia)Jogues, Isaac (Saint Isaac Jogues) ēzäkˈ zhôg [key], 1607–46, French Jesuit missionary and martyr in the New World; one of the Jesuit Martyrs of North America. He arrived in Quebec in 1636 and i...