(Encyclopedia) econometrics, technique of economic analysis that expresses economic theory in terms of mathematical relationships and then tests it empirically through statistical research.…
(Encyclopedia) Ellington, Duke (Edward Kennedy Ellington), 1899–1974, American jazz musician and composer, b. Washington, D.C. Ellington made his first professional appearance as a jazz pianist in…
(Encyclopedia) Smithsonian Institution, research and education center, mainly at Washington, D.C.; founded 1846 under the terms of the will of James Smithson of London, who in 1829 bequeathed his…
(Encyclopedia) Pennebaker, D. A. (Donn Alan Pennebaker), 1925–2019, pioneering documentary filmmaker, b. Evanston, Ill. His first film, Daybreak Express (1958), is a five-minute short detailing New…
Spencer AbrahamDaniel Kahikina Akaka Archibald Alphonso AlexanderSamuel A. Alito, Jr. Paula Gunn AllenKing Abdullah AmanirenasStephen AmbroseMary AntinSusan B. Anthony Virginia ApgarJames…
World News | Business/Science News Here are the key events in United States news for the month of January, 2009. Richardson Withdraws Nomination for secretary of…
