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Potter, Henry Codman

(Encyclopedia)Potter, Henry Codman, 1835–1908, American Episcopal bishop, b. Schenectady, N.Y., son of Alonzo Potter. He was ordained a priest in 1858 and served in churches in Troy, N.Y., and Boston before he be...

Canadian Prime Ministers since Confederation (table)

(Encyclopedia)Canadian Prime Ministers since Confederation ...

Reed, John

(Encyclopedia)Reed, John, 1887–1920, American journalist and radical leader, b. Portland, Oreg. After graduating from Harvard in 1910, he wrote articles for various publications and from 1913 was attached to the ...

Angelico, Fra

(Encyclopedia)Angelico, Fra frä änjĕlˈĭkō [key], c.1400–1455, Florentine painter, b. Vicchio, Tuscany. He was variously named Guido (his baptismal name), or Guidolino, di Pietro; and Giovanni da Fiesole. Af...

Knights Hospitalers

(Encyclopedia)Knights Hospitalers, members of the military and religious Order of the Hospital of St. John of Jerusalem, sometimes called the Knights of St. John and the Knights of Jerusalem. The symbol of the Orde...

Downing, Sir George

(Encyclopedia)Downing, Sir George, 1623–84, English diplomat. A nephew of Gov. John Winthrop of Massachusetts, he was educated at Harvard. He returned (1646) to England, joined the parliamentarians, and was appoi...

Finiguerra, Maso

(Encyclopedia)Finiguerra, Maso or Tommaso mäˈzō, tōm–mäˈzō fēnēgwĕrˈrä [key], 1426–64, Florentine goldsmith and engraver during the Renaissance. In the 1450s he joined with Antonio Pollaiuolo. It is...

Grenfell, Sir Wilfred Thomason

(Encyclopedia)Grenfell, Sir Wilfred Thomason, 1865–1940, English physician and missionary, famous for his work among Labrador fishermen. After serving as a missionary to fishermen of the North Sea, Dr. Grenfell w...

Gansevoort, Peter

(Encyclopedia)Gansevoort, Peter gănsˈvo͝ort [key], 1749–1812, soldier in the American Revolution, b. Albany, N.Y. He served in the Quebec campaign and in 1777 was in command of Fort Schuyler (former Fort Stanw...

olivine

(Encyclopedia)olivine ŏlĭvˈēn [key], an iron-magnesium silicate mineral, (Mg,Fe)2SiO4, crystallizing in the orthorhombic system. It is a common constituent of magnesium-rich, silica-poor igneous rocks; metamorp...