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Amin, Idi

(Encyclopedia)Amin, Idi ēˈdē amēnˈ [key], c.1925–2003, Ugandan army officer and dictator. From the small Kakwa ethnic group, he advanced in the Ugandan armed forces from private (1946) to major general (1968...

Kidd, William

(Encyclopedia)Kidd, William, 1645?–1701, British privateer and pirate, known as Captain Kidd. He went to sea in his youth and later settled in New York, where he married and owned property. In 1691 he was rewarde...

Seeger, Ruth Crawford

(Encyclopedia)Seeger, Ruth Crawford, 1901–53, American composer and folklorist, b. East Liverpool, Ohio, as Ruth Porter Crawford, studied American Conservatory, Chicago; stepmother of Pete Seeger and mother of Mi...

standard time

(Encyclopedia)standard time, civil time used within a given time zone. The earth is divided into 24 time zones, each of which is about 15° of longitude wide and corresponds to one hour of time. Within a zone all c...

Allison, James Patrick

(Encyclopedia)Allison, James Patrick, 1948–, American immunologist, b. Alice, Tex., Ph.D. Univ. of Texas, Austin, 1973. Allison was a researcher at the Univ. of Texas System Cancer Center in Houston from 1977 to ...

Hodgkin's disease

(Encyclopedia)Hodgkin's disease, a type of cancer of the lymphatic system. First identified in 1832 in England by Thomas Hodgkin, it is a type of malignant lymphoma. Incidence peaks in young adults and the elderly....

Muller, Hermann Joseph

(Encyclopedia)Muller, Hermann Joseph mŭlˈər [key], 1890–1967, American geneticist and educator, b. New York City, grad. Columbia (B.A., 1910; Ph.D., 1916). A student of Thomas Hunt Morgan, he taught (1915–18...

magnetic resonance imaging

(Encyclopedia)magnetic resonance imaging (MRI), noninvasive diagnostic technique that uses nuclear magnetic resonance to produce cross-sectional images of organs and other internal body structures. The patient lies...

Luria, Salvador Edward

(Encyclopedia)Luria, Salvador Edward, 1912–1991, American physician, b. Turin, Italy, M.D., Univ. of Turin, 1935. He conducted research and taught at the Institute of Radium in Paris (1938–40), Columbia (1940â€...

physical fitness

(Encyclopedia)physical fitness, combined good health and physical development. The object of any program of physical fitness is to maximize an individual's health, strength, endurance, and skill relative to age, se...