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Rittenhouse, David

(Encyclopedia)Rittenhouse, David, 1732–96, American astronomer and instrument maker, b. near Germantown, Pa., self-educated. A clockmaker by trade, he developed great skill in the making of mathematical instrumen...

Humphreys, David

(Encyclopedia)Humphreys, David, 1752–1818, American diplomat and poet, b. present Ansonia (then in Derby), Conn. His military talents and patriotism won the friendship of General Washington and a place on his sta...

Abernathy, Ralph David

(Encyclopedia)Abernathy, Ralph David ăbˈərnăthˌē [key], 1926–90, American civil-rights leader, b. Linden, Ala. A Baptist minister, he helped Martin Luther King, Jr., organize the Montgomery bus boycott (195...

Broderick, David Colbreth

(Encyclopedia)Broderick, David Colbreth brōˈdərĭk [key], 1820–59, American politician, b. Washington, D.C. Brought up in New York City, he was active in Tammany Hall before moving to California in 1849. He be...

Dinkins, David Norman

(Encyclopedia)Dinkins, David Norman, 1927–2020, African-American political leader, b. Trenton, N.J. After graduating (1956) from Brooklyn Law School, he went into private law practice. Active in Democratic politi...

Hubel, David Hunter

(Encyclopedia)Hubel, David Hunter hyo͞oˈbəl [key], 1926–2013, American neurobiologist, b. Ontario, Canada, to American parents. In 1958, Hubel joined Torsten Wiesel at Johns Hopkins; the two relocated to Harva...

Oistrakh, David Feodorovich

(Encyclopedia)Oistrakh, David Feodorovich oiˈsträk [key], 1908–74, Ukrainian violinist, b. Odessa. Encouraged by his father, an amateur violinist, he began to study his instrument at the age of five. He graduat...

Houston, David Franklin

(Encyclopedia)Houston, David Franklin hyo͞oˈstən [key], 1866–1940, American cabinet officer and educator, b. Monroe, N.C., grad. South Carolina College, 1887, M.A. Harvard, 1892. He taught political science at...

Lean, Sir David

(Encyclopedia)Lean, Sir David, 1908–91, English film director, producer, and scriptwriter, b. Croyden, England. He entered the film industry in the 1920s, and had become one of Britain's most accomplished film ed...

Anderson, Carl David

(Encyclopedia)Anderson, Carl David ănˈdərsən [key], 1905–91, American physicist, b. New York City, grad. California Institute of Technology (B.S., 1927; Ph.D., 1930). Associated with the institute's physics d...