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Brown, Helen Gurley

(Encyclopedia)Brown, Helen Gurley, 1922–2012, American writer and editor, b. Green Forest, Ark. A child of poverty, she became a successful advertising copywriter and wrote the best-selling Sex and the Single Gir...

Pisano, Andrea

(Encyclopedia)Pisano, Andrea ändrĕˈä pēzäˈnō [key], c.1290–c.1348, Italian sculptor, also called Andrea da Pontedera. His most important work, the first bronze doors of the baptistery in Florence, was beg...

Guevara, Che

(Encyclopedia)Guevara, Che (Ernesto Guevara) chā gāväˈrä, ārnĕsˈtō [key], 1928–67, Cuban revolutionary and political leader, b. Argentina. Trained as a physician at the Univ. of Buenos Aires, he took par...

Clausius, Rudolf Julius Emanuel

(Encyclopedia)Clausius, Rudolf Julius Emanuel ro͞oˈdôlf yo͞oˈlyo͝os āmäˈno͞oĕl klouˈzēo͝os [key], 1822–88, German mathematical physicist. A pioneer in the science of thermodynamics, he introduced th...

Geological Survey, United States

(Encyclopedia)Geological Survey, United States, bureau organized in 1879 under the Dept. of the Interior to unify and centralize the work already undertaken by separate surveys under Clarence King, F. V. Hayden, Ge...

Szold, Henrietta

(Encyclopedia)Szold, Henrietta zōld [key], 1860–1945, American Zionist leader, editor, and translator, b. Baltimore. After graduating from high school in 1877 she taught (1878–92) in private schools, organizin...

Theremin, Leon

(Encyclopedia)Theremin, Leon thĕrˈəmən [key], 1896–1993, Russian engineer and inventor, b. St. Petersburg as Lev Sergeyevich Termen. He studied and worked in his native city, attending its university and cons...

Vincent, John Heyl

(Encyclopedia)Vincent, John Heyl, 1832–1920, American Methodist bishop, b. Tuscaloosa, Ala. In 1857 he was assigned to an Illinois conference, where he held various pastorates. His work in improving teaching meth...

Geiger, Johannes Wilhelm

(Encyclopedia)Geiger, Johannes Wilhelm (Hans Geiger) gīˈgər [key], 1882–1945, German physicist. Geiger received a doctorate in physics at Erlangen in 1906, then went to Manchester, where he assisted British c...