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roentgenium

(Encyclopedia)roentgenium, artificially produced radioactive chemical element; symbol Rg; at. no. 111; mass number of most stable isotope 280; m.p., b.p., sp. gr., and valence unknown. Situated in Group 11 of the p...

tellurium

(Encyclopedia)tellurium tĕlo͝orˈēəm [key] [Lat.,=earth], semimetallic chemical element; symbol Te; at. no. 52; at. wt. 127.60; m.p. 450℃; b.p. 990℃; sp. gr. 6.24 at 20℃; valence −2, +4, or +6. Telluriu...

Lycurgus, one of the Ten Attic Orators

(Encyclopedia)Lycurgus, c.396–c.325 b.c., one of the Ten Attic Orators of the Alexandrian canon; pupil of Isocrates. A capable and honored public official, he administered the state finances from 338 to 326 b.c. ...

Air Force, United States Department of the

(Encyclopedia)Air Force, United States Department of the, military department within the U.S. Dept. of Defense (see Defense, United States Department of). The Air Force traces its roots to the founding of the Aeron...

National Museum of Women in the Arts

(Encyclopedia) National Museum of Women in the Arts, Washington, D.C., established in 1987. Washington-area philanthropist and art collector Wilhelmina Cole Holl...

Rosamond, wife of the Lombard king Alboin

(Encyclopedia)Rosamond rŏzˈəmənd [key], fl. c.570, wife of the Lombard king Alboin. The daughter of King Kunimund of the Gepidae, a Germanic people, she was captured by Alboin, who had defeated and killed her f...

Harrison, Benjamin, President of the United States

(Encyclopedia)Harrison, Benjamin, 1833–1901, 23d President of the United States (1889–93), b. North Bend, Ohio, grad. Miami Univ. (Ohio), 1852; grandson of William Henry Harrison. After reading law in Cincinnat...

Francis II, king of the Two Sicilies

(Encyclopedia)Francis II, 1836–94, last king of the Two Sicilies (1859–61), son and successor of Ferdinand II. A weak ruler, he let his ministers follow his father's reactionary policy. Faced with the growing m...

Ferdinand I, king of the Two Sicilies

(Encyclopedia)Ferdinand I, 1751–1825, king of the Two Sicilies (1816–25). He had previously been king of Naples (1759–99, 1799–1805, 1815–16) as Ferdinand IV and king of Sicily (1759–1816) as Ferdinand ...

Manco Capac, legendary founder of the Inca dynasty of Peru

(Encyclopedia)Manco Capac mängˈkō käpäkˈ [key], legendary founder of the Inca dynasty of Peru. According to the most frequently told story, four brothers, Manco Capac, Ayar Anca, Ayar Cachi, and Ayar Uchu, an...