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Rosselli, Cosimo

(Encyclopedia)Rosselli, Cosimo kôˈzēmō rōs-sĕlˈlē [key], 1439–1507, Florentine painter. He was one of the artists summoned to Rome by Sixtus IV to assist in decorating the Sistine Chapel. He painted The L...

Poston, Charles Debrill

(Encyclopedia)Poston, Charles Debrill pōsˈtən [key], 1825–1902, American explorer and author, b. Hardin co., Ky. After practicing law in Tennessee, he moved to California in 1850 and from there led a party to ...

Vestris, Gaetan

(Encyclopedia)Vestris, Gaetan gäātäNˈ vĕsˈtrēs [key], 1729–1808, Italian-French classical dancer, b. Florence. Vestris was one of the greatest dancers of the 18th cent. Born of an Italian theatrical family...

neutron

(Encyclopedia)neutron, uncharged elementary particle of slightly greater mass than the proton. It was discovered by James Chadwick in 1932. The stable isotopes of all elements except hydrogen and helium contain a n...

Cimabue, Giovanni

(Encyclopedia)Cimabue, Giovanni jōvänˈnē chēmäbo͞oˈā [key], d. c.1302, Florentine painter, whose real name was Cenni di Pepo or Peppi. The works with which his name is associated constitute a transition in...

Clark, Kenneth MacKenzie

(Encyclopedia)Clark, Kenneth MacKenzie (Lord Clark of Saltwood), 1903–83, English art historian, studied Oxford. After working with Bernard Berenson in Florence, Clark was keeper of the department of fine art at ...

Childress, Alice

(Encyclopedia)Childress, Alice, 1920–94, American playwright and novelist, b. Charleston, S.C. She moved (1925) to New York City and was raised in Harlem. Childress joined the American Negro Theatre in 1941, and ...

Hermes, in Greek religion and mythology

(Encyclopedia)Hermes, in Greek religion and mythology, son of Zeus and Maia. His functions were many, but he was primarily the messenger of the gods, particularly of Zeus, and conductor of souls to Hades. He was go...

Leland, Charles Godfrey

(Encyclopedia)Leland, Charles Godfrey hänsˈ brītmän [key], 1824–1903, American author, b. Philadelphia, grad. College of New Jersey (now Princeton), 1845, studied at Heidelberg, Munich, and Paris. While edito...

Pazzi conspiracy

(Encyclopedia)Pazzi conspiracy pätˈtsē [key], 1478, plot against Lorenzo de' Medici (Lorenzo il Magnifico) and his brother Giuliano, designed to end the hegemony of the Medici in the Florentine state and to enla...