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Hecker, Isaac Thomas

(Encyclopedia)Hecker, Isaac Thomas, 1819–88, American Roman Catholic priest, founder of the Paulist Fathers; son of Prussian immigrants. Feeling the general discontent of his day in the dying Puritanism of New En...

Hecker, Friedrich Franz Karl

(Encyclopedia)Hecker, Friedrich Franz Karl frēˈdrĭkh fränts kärl hĕkˈər [key], 1811–81, German revolutionary. A lawyer, he was a leader of the radical republicans in the grand duchy of Baden and during th...

Isaac I

(Encyclopedia)Isaac I (Isaac Comnenus) īˈzək kŏmnēˈnəs [key], c.1005–1061, Byzantine emperor (1057–59), first of the Comnenus dynasty. Proclaimed emperor by the army, he deposed Michael VI, who had succe...

Isaac

(Encyclopedia)Isaac īˈzək [key] [Heb.,=laughter], according to the patriarchal narratives of the Book of Genesis, Isaac was the only son of Abraham and Sara. He married Rebecca, and their sons were Esau and Jaco...

Ware, Isaac

(Encyclopedia)Ware, Isaac, d. 1766, English architect of the Georgian period. After travels in Italy he was employed in 1729 as clerk of the works at Windsor Castle. For Philip, earl of Chesterfield, he built (1749...

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...