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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 ...

Emecheta, Buchi

(Encyclopedia)Emecheta, Buchi bo͞oˈchē āməchāˈtə [key], 1944–2017, Nigerian novelist, b. Lagos as Florence Onye Buchi Emecheta. In 1962 she accompanied her husband to England, where she had five children....

Handy, W. C.

(Encyclopedia)Handy, W. C. (William Christopher Handy), 1873–1958, American songwriter and band leader, b. Florence, Ala. Largely self-taught, Handy began his career as a cornet player in a minstrel show in 1896,...

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...

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...

Rubin, Vera

(Encyclopedia)Rubin, Vera, 1928–2016, American astronomer, b. Philadelphia as Vera Florence Cooper, Ph.D. Georgetown (1954). After teaching at Georgetown, she joined (1965) the Carnegie Institution's department o...

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...

Rosa, Salvator

(Encyclopedia)Rosa, Salvator sälvätōrˈ rôˈzä [key], 1615–73, Italian baroque painter, etcher, and poet of the Neapolitan school. In 1635, Rosa went to Rome, where he established his reputation with his pai...

Sebastiano del Piombo

(Encyclopedia)Sebastiano del Piombo sābästyäˈnō dĕl pyômˈbō [key], c.1485–1547, Italian painter of the Venetian school, whose real name was Sebastiano Luciani. Although he was trained by Giovanni Bellini...

Sforza, Francesco I

(Encyclopedia)Sforza, Francesco I , sfôrˈtsä [key], 1401–66, duke of Milan (1450–66); illegitimate son of Muzio Attendolo Sforza. He succeeded his father as leader of his band of mercenaries, and by his valo...