Columbia Encyclopedia

(Encyclopedia) Heckman, James Joseph, 1944– American economist, b. Chicago, Ill., Ph.D. Princeton, 1971. He has taught at the Univ. of Chicago since 1973. Heckman shared the Nobel Memorial Prize in Economic Scienc...

(Encyclopedia) Kirkwood gaps, regions in the asteroid belt within which few asteroids are found. Astronomer Daniel Kirkwood first observed (1886) that few asteroids had an orbital period close to 1⁄2, 1⁄3, or 2�...

(Encyclopedia) Smith, Hamilton Othanel, 1931–, American biologist, b. New York City, M.D. Johns Hopkins, 1956. A professor at the Univ. of Michigan and Johns Hopkins, Smith worked with Daniel Nathans and Werner Ar...

(Encyclopedia) Hackney, inner borough of Greater London, SE England, on the Lea River. Clothing manufacture (in Hackney) and printing and furniture making (in Shoredit...

(Encyclopedia) Northeast Boundary Dispute, controversy between the United States and Great Britain concerning the Maine–New Brunswick boundary. The treaty of 1783 ending the American Revolution had described the n...

(Encyclopedia) Caroline Affair. In 1837 a group of men led by William Lyon Mackenzie rebelled in Upper Canada (now Ontario), demanding a more democratic government. There was much sympathy for their cause in the Uni...

(Encyclopedia) Aberdeen, George Hamilton-Gordon, 4th earl of ăbˌədēnˈ [key], 1784–1860, British statesman. He served (1813) as ambassador extraordinary at Vienna and helped arrange (1814) the peace terms at P...

(Encyclopedia) Waterloo, city (1990 pop. 66,467), seat of Black Hawk co., NE Iowa, on the Cedar River; inc. 1868. Originally a center for sawmills and flour mills, Waterloo is a trade and industrial center in a farm...

(Encyclopedia) Selkirk, Alexander sĕlˈkərk [key], 1676–1721, Scottish sailor whose adventures suggested to Daniel Defoe the story of Robinson Crusoe (1719). In 1704, as a sailing master, Selkirk quarreled with ...

(Encyclopedia) Gruenberg, Louis gro͞oˈənbûrg [key], 1884–1964, American composer, b. Russia; pupil of Busoni. After concert tours as a pianist in Europe and America, he settled in the United States as a compos...