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Agrippa, Marcus Vipsanius

(Encyclopedia)Agrippa, Marcus Vipsanius əgrĭpˈə [key], c.63 b.c.–12 b.c., Roman general. A close friend of Octavian (later Emperor Augustus), he won a name in the wars in Gaul before becoming consul in 37 b....

Otho, Marcus Salvius

(Encyclopedia)Otho, Marcus Salvius ōˈthō [key], a.d. 32–a.d. 69, Roman emperor (Jan.–April, a.d. 69). He was a friend of Nero, and his wife, Poppaea Sabina, became Nero's mistress; Otho was repaid (a.d. 58) ...

Whitman, Marcus

(Encyclopedia)Whitman, Marcus, 1802–47, American pioneer and missionary in the Oregon country, b. Federal Hollow (later Rushville), N.Y. In 1836 he left a country medical practice to go West as a missionary for t...

Marcus, Rudolph Arthur

(Encyclopedia)Marcus, Rudolph Arthur, 1923–, American chemist, b. Montreal, Canada. A professor at the California Institute of Technology, he was awarded the 1992 Nobel Prize in Chemistry for developing a theory ...

Daly, Marcus

(Encyclopedia)Daly, Marcus, 1841–1900, American copper magnate, b. Ireland. He went to New York City at 15 and later moved to California, where he worked as a miner. He was employed by the “silver kings,” J. ...

Hansen, Marcus Lee

(Encyclopedia)Hansen, Marcus Lee, 1892–1938, American historian, b. Neenah, Wis. He spent almost four years in Europe gathering material for his studies on immigration. For The Atlantic Migration, 1607–1860 (19...

Varro, Marcus Terentius

(Encyclopedia)Varro, Marcus Terentius, 116 b.c.–27? b.c., Roman man of letters. Known as the most erudite man and the most prolific writer of his times, Varro is estimated to have written about 620 volumes. He se...

Hanna, Marcus Alonzo

(Encyclopedia)Hanna, Marcus Alonzo (Mark Hanna), 1837–1904, American capitalist and politician, b. New Lisbon (now Lisbon), Ohio. He attended Western Reserve College for a short time, then entered his father's wh...

Fifth Avenue

(Encyclopedia)Fifth Avenue, famous north-south street of the borough of Manhattan, New York City. It begins at Washington Square and ends at the Harlem River. Between 34th and 59th streets, Fifth Ave. is lined with...

Du Bois, W. E. B.

(Encyclopedia)Du Bois, W. E. B. (William Edward Burghardt Du Bois) dəboisˈ [key], 1868–1963, American civil-rights leader and author, b. Great Barrington, Mass., grad. Harvard (B.A., 1890; M.A., 1891; Ph.D., 18...