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Seydlitz, Friedrich Wilhelm, Freiherr von

(Encyclopedia)Seydlitz, Friedrich Wilhelm, Freiherr von frēˈdrĭkh vĭlˈhĕlm frīˈhĕr fən zīdˈlĭts [key], 1721–73, Prussian general under Frederick II. He helped restore the effectiveness of the Prussia...

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...

Lefkowitz, Robert Joseph

(Encyclopedia)Lefkowitz, Robert Joseph, 1943–, American physician, b. New York City, M.D. Columbia, 1966. Since 1973 Lefkowitz has been a professor at Duke Univ.; he was appointed a Howard Hughes Medical Institut...

Jenkinson, Robert Banks

(Encyclopedia)Jenkinson, Robert Banks: see Liverpool, Robert Banks Jenkinson, 2d earl of. ...

Laughlin, Robert Betts

(Encyclopedia)Laughlin, Robert Betts, 1950–, American physicist, b. Visalia, Calif., Ph.D. Massachusetts Institute of Technology, 1979. Laughlin was a researcher at Lawrence Livermore National Laboratory from 198...

Kennedy, Robert Francis

(Encyclopedia)Kennedy, Robert Francis, 1925–68, American politician, U.S. Attorney General (1961–64), b. Brookline, Mass., younger brother of President John F. Kennedy and son of Joseph P. Kennedy. A graduate o...

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