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Schelling, Friedrich Wilhelm Joseph von

(Encyclopedia)Schelling, Friedrich Wilhelm Joseph von frēˈdrĭkh vĭlˈhĕlm yōˈzĕf fən shĕˈlĭng [key], 1775–1854, German philosopher. After theological study at Tübingen and two years of tutoring at Le...

Steuben, Friedrich Wilhelm, Baron von

(Encyclopedia)Steuben, Friedrich Wilhelm, Baron von styo͞oˈbən, Ger. frēˈdrĭkh vĭlˈhĕlm bärōnˈ fən shtoiˈbən [key], 1730–94, Prussian army officer, general in the American Revolution, b. Magdeburg....

rubidium

(Encyclopedia)rubidium ro͞obĭdˈēəm [key], metallic chemical element; symbol Rb; at. no. 37; at. wt. 85.4678; m.p. 38.89℃; b.p. 686℃; sp. gr. 1.53 at 20℃; valence +1. Rubidium is a very soft silver-white ...

Frankland, Sir Edward

(Encyclopedia)Frankland, Sir Edward, 1825–99, English chemist. He studied under Bunsen and Liebig and taught at several English institutions. In working on the synthesis and isolation of compounds he evolved the ...

flame

(Encyclopedia)flame, phenomenon associated with the chemical reaction of a gas that has been heated above its kindling temperature with some other gas, usually atmospheric oxygen (see combustion). The heat and ligh...

Dett, Robert Nathaniel

(Encyclopedia)Dett, Robert Nathaniel, 1882–1943, American composer and pianist, b. Drummondville, Que. After receiving degrees from Oberlin College and the Eastman School of Music, Dett studied in Paris with Nadi...

Drew, Robert Lincoln

(Encyclopedia)Drew, Robert Lincoln, 1924–2014, American documentary filmmaker, b. Toledo, Ohio. After serving in the U.S. Army Air Forces during World War II, he worked for Life as a writer and editor. On a Neima...

Duncan, Robert Kennedy

(Encyclopedia)Duncan, Robert Kennedy, 1868–1914, American industrial chemist and educator b. Brantford, Ont., grad. Univ. of Toronto (B.A., 1892). He was professor at the Univ. of Kansas (1906–10) and at the Un...

Darwin, Charles Robert

(Encyclopedia)Darwin, Charles Robert, 1809–82, English naturalist, b. Shrewsbury; grandson of Erasmus Darwin and of Josiah Wedgwood. He firmly established the theory of organic evolution known as Darwinism. He st...

Coucy, Robert de

(Encyclopedia)Coucy, Robert de rōbĕrˈ də ko͞osēˈ [key], d.1311, French architect, celebrated for his part in the building of Reims Cathedral, which he carried on as master of the works after the death of Hug...