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Kirkwood gaps

(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�...

Heckman, James Joseph

(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...

Hackney

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

Hardin, John

(Encyclopedia)Hardin, John, 1753–92, Native American fighter, b. Fauquier co., Va. He served in Lord Dunmore's War (1774) and was a noted member of Daniel Morgan's riflemen during the Revolution. His services at ...

Sheppard, Jack

(Encyclopedia)Sheppard, Jack, 1702–24, English criminal. Raised in a workhouse, he ran away with Bess Lyon, known as Edgeworth Bess, who, with another girl known as Poll Maggott, incited him to a short but specta...

Smith, Hamilton Othanel

(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...

Webster

(Encyclopedia)Webster, town (1990 pop. 16,196), Worcester co., S Mass., near the Conn. line; settled c.1713, set off from Dudley and Oxford and inc. 1832. The chief manufactures are clothing, lenses, fabrics, and t...

Edgehill

(Encyclopedia)Edgehill or Edge Hill, ridge on the border of Warwickshire and Oxfordshire, central England, NW of Banbury. A tower built in 1760 marks the scene of the first great battle of the English civil war, Oc...

Socoh

(Encyclopedia)Socoh sōˈkō [key], in the Bible. 1 Town, SW ancient Palestine, SW of Bethlehem. It is also spelled Shochoh, Shoco, Shocho, Socho, and Sochoh. 2 Town, in the hill country of Judah, SW of Hebron. 3 T...

Port Pirie

(Encyclopedia)Port Pirie pĭrˈē [key], city and municipality (2016 pop. 17,364), South Australia, S Australia, on an inlet of Spencer Gulf. It is a railroad center and has uranium refineries and smelting works fo...