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Caesar, Sid
(Encyclopedia) Caesar, Sid (Isaac Sidney Caesar), 1922–2014, American comedian, one of the stars of the “golden age of live television,” b. Yonkers, N.Y. While performing in a World War II military…Germanic languages
(Encyclopedia) Germanic languages, subfamily of the Indo-European family of languages, spoken by about 470 million people in many parts of the world, but chiefly in Europe and the Western Hemisphere…Dmitri Mendeleev
Russian chemist Dmitri Mendeleev (also Dmitrii Mendeleyev) created the first valid periodic table of the elements in 1869. With the exception of post-graduate training in England and Germany (where…Georg Hegel
Georg Wilhelm Friedrich Hegel was one of the most influential western philosophers of the 19th century. While a professor in Heidelberg and Berlin he wrote his most famous works, The Phenomenology of…Biographies: Anthropologist
AnthropologistPeople in the NewsRecent ObituariesBiographies by CategoryAdams, Robert McCormick, Jr., American anthropologist Bandelier, Adolph Francis Alphonse, American anthropologist and…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…Tell, William
(Encyclopedia) Tell, William, legendary Swiss patriot. According to legend, Tell was a native of Uri, one of the Swiss forest cantons. Gessler, the canton's Austrian bailiff, decreed that Swiss…Koblenz
(Encyclopedia) KoblenzKoblenzkōˈblĕnts [key], Eng. Coblenz, city (1994 pop. 109,810), Rhineland-Palatinate, W Germany, at the confluence of the Rhine and the Moselle (Ger. Mosel ) rivers. Its…Max Planck
Max Karl Ernst Ludwig Planck was a German physicist who provided the watershed between classical and modern physics. Around 1900 Planck came up with a mathematical solution to explain the nature of…Robert Bunsen
Robert Wilhelm Bunsen did groundbreaking work in organic chemistry and spectrometry, but he's more famous for the laboratory gas burner that bears his name. Robert Bunsen was an extraordinary…