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Raman effect

(Encyclopedia)Raman effect räˈmən [key], appearance of additional lines in the spectrum of monochromatic light that has been scattered by a transparent material medium. The effect was discovered by C. V. Raman i...

Ripley, Robert LeRoy

(Encyclopedia)Ripley, Robert LeRoy, 1890–1949, American cartoonist, b. Santa Rosa, Calif., as Leroy Robert Ripley. The creator of the Believe It or Not! newspaper cartoon, Ripley began his career at 16 as a sport...

Robertson, Sir William Robert

(Encyclopedia)Robertson, Sir William Robert, 1860–1933, British field marshal. He enlisted in the army in 1877 and became an officer in 1888. He was in the intelligence department in India (1892–96) and served ...

Christian VII

(Encyclopedia)Christian VII, 1749–1808, king of Denmark and Norway (1766–1808), son and successor of Frederick V. Shortly after his accession his mental illness made him dependent on his physician, Struensee, w...

Clark, Kenneth Bancroft

(Encyclopedia)Clark, Kenneth Bancroft, 1914–2005, American psychologist and educator, b. Panama Canal Zone, grad. Howard (B.A., 1935) and Columbia (Ph.D., 1940). Clark taught psychology at Howard (1937–38) and ...

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...

Delany, Martin Robinson

(Encyclopedia)Delany, Martin Robinson dəlāˈnē [key], 1812–85, American black leader, b. Charles Town, Va. (now in West Virginia). The son of free blacks, he attended a black school in Pittsburgh and studied m...

Denikin, Anton Ivanovich

(Encyclopedia)Denikin, Anton Ivanovich əntônˈ ēväˈnəvĭch dyĭnyēˈkĭn [key], 1872–1947, Russian general. The son of a serf, he rose from the ranks. After the Bolshevik Revolution in Nov., 1917 (Oct., 19...

Finley, Robert

(Encyclopedia)Finley, Robert fĭnˈlē [key], 1772–1817, American clergyman, a founder of the American Colonization Society, b. Princeton, N.J. In 1787 he graduated from the College of New Jersey (now Princeton),...

Radishchev, Aleksandr Nikolayevich

(Encyclopedia)Radishchev, Aleksandr Nikolayevich əlyĭksänˈdər nyĭkəlīˈəvĭch rədyēshˈchĭf [key], 1749–1802, Russian writer and liberal. Of a noble family, he studied in Leipzig and there came under ...