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Knuth, Donald Ervin

(Encyclopedia)Knuth, Donald Ervin no͞oth, kəno͞othˈ [key], 1938–, American mathematician and computer scientist, b. Milwaukee, Wis., grad. Case Institute of Technology (B.S. and M.S., 1960) and California Ins...

Kocharian, Robert Sedraki

(Encyclopedia)Kocharian or Kocharyan, Robert Sedraki, 1954–, Armenian political leader. He served (1972–74) in the Soviet army and worked as a mechanical engineer (1977–81) before graduating (1982) from the Y...

Boston Strangler

(Encyclopedia)Boston Strangler, American serial killer who terrorized the Boston, Mass., area during a killing spree (Jun., 1962–Jan, 1964) that claimed the lives of at least 11 women. The first six victims were ...

ceilometer

(Encyclopedia)ceilometer sēlŏmˈĭtər [key], in aviation and meteorology, automatic instrument used to record ceiling, i.e., the altitude of the lowest cloud layer covering more than half of the sky. The ceilome...

Beaumont, William

(Encyclopedia)Beaumont, William, 1785–1853, American physician, b. Lebanon, Conn. He was privately educated and was licensed (1812) to practice in Vermont. His Experiments and Observations on the Gastric Juice an...

Book of the Dead

(Encyclopedia)Book of the Dead, term used to describe Egyptian funerary literature. The texts consist of charms, spells, and formulas for use by the deceased in the afterworld and contain many of the basic ideas of...

Scroggs, Sir William

(Encyclopedia)Scroggs, Sir William, 1623?–1683, English jurist. Educated at Oxford and trained in law at Gray's Inn, he became (1669) a king's sergeant, was made (1676) justice in common pleas through the influen...

genetic testing

(Encyclopedia)genetic testing, medical screening for genetic disorders, by examining either a person's DNA directly or a person's biochemistry or chromosomes for indirect evidence. Testing may be done to identify a...

Oppenheimer, J. Robert

(Encyclopedia)Oppenheimer, J. Robert ŏpˈənhīˌmər [key], 1904–67, American physicist, b. New York City, grad. Harvard (B.A., 1925), Ph.D. Univ. of Göttingen, 1927. He taught at the Univ. of California and t...

Du Pont, Pierre Samuel

(Encyclopedia)Du Pont, Pierre Samuel, 1870–1954, American industrialist, b. Wilmington, Del., grad. Massachusetts Institute of Technology, 1890. Du Pont worked as a chemist with the family's company, helping to d...