(Encyclopedia) Hahn, OttoHahn, Ottoôˈtō hän [key], 1879–1968, German chemist and physicist. His important contributions in the field of radioactivity include the discovery of several radioactive…
(Encyclopedia) StruveStruveshtr&oomacr;ˈvə [key], family of astronomers. Friedrich Georg Wilhelm von Struve, 1793–1864, was born in Germany but later lived in Russia. While director (1817–39) of…
(Encyclopedia) Book of Changes or I ChingI Chingē jĭng, ē chĭng [key], ancient Chinese book of prophecy and wisdom. The oldest parts of its text are thought to have attained their present form in the…
WILSON, William Bauchop, a Representative from Pennsylvania; born in Blantyre, Scotland, April 2, 1862; immigrated to this country with his parents, who settled in Arnot, Tioga County, Pa., in…
(Encyclopedia) GrossbeerenGrossbeerengrōsbārˈən [key], village, Brandenburg, E Germany. There, in 1813, Friedrich Wilhelm von Bülow, using the Prussian militia for the first time, defeated the French…