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Hopper, Grace

(Encyclopedia)Hopper, Grace, 1906–92, American computer scientist, b. New York City as Grace Brewster Murray. She was educated at Vassar College and Yale (Ph.D., 1934). After teaching at Vassar (1931–1943), she...

Du Pont, Pete

(Encyclopedia) Du Pont, Pete (Pierre Samuel du Pont IV), 1935-2021, Wilmington, Del, Princeton Univ. (Mech. Engr., 1956); Harvard Law School (J.D., 1963). Du Pont wa...

stem cells

(Encyclopedia)stem cells, unspecialized human or animal cells that can produce mature specialized body cells and at the same time replicate themselves. Embryonic stem cells are derived from a blastocyst (the blastu...

Bank of the United States

(Encyclopedia)Bank of the United States, name for two national banks established by the U.S. Congress to serve as government fiscal agents and as depositories for federal funds; the first bank was in existence from...

Washington, D.C.

(Encyclopedia)Washington, D.C., capital of the United States, coextensive (since 1878, when Georgetown became a part of Washington) with the District of ...

school

(Encyclopedia)school, term commonly referring to institutions of pre-college formal education. It also properly includes colleges, universities, and many types of special training establishments (see adult educatio...

Posse Comitatus Act

(Encyclopedia)Posse Comitatus Act, 1878, U.S. federal law that makes it a crime to use the military as a domestic police force in the United States under most circumstances. The law was designed to end the use of f...

Faymann, Werner

(Encyclopedia)Faymann, Werner, 1960–, Austrian politician, federal chancellor of Austria (2008–16), b. Vienna. A member of the Social Democrat party, he began his political career as chairman of Vienna Socialis...

Black, Jeremiah Sullivan

(Encyclopedia)Black, Jeremiah Sullivan, 1810–83, American cabinet officer, b. Somerset co., Pa. Admitted to the Pennsylvania bar in 1830, Black became a successful lawyer. As U.S. Attorney General (1857–60) und...
 

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