Columbia Encyclopedia

(Encyclopedia) Hart, Oliver Simon D'Arcy, 1948–, British-American economist, b. London, England, Ph.D. Princeton, 1974. He has been a professor at the London School of Economics (1981–85), the Massachusetts Inst...

(Encyclopedia) Forster, Johann Reinhold, 1729–98, German naturalist and teacher. His Philosophical Transactions of the Royal Society (1772–73) on zoology, ornithology, and ichthyology established him as one of t...

(Encyclopedia) Agricola, Georgius gāˈôrk bouˈər [key], 1494–1555, German physician and scientist, known as the father of mineralogy. He was a pioneer in physical geology and the first to classify minerals sci...

(Encyclopedia) ohmmeter ōmˈmēˌtər [key], instrument used to measure the electrical resistance of a conductor. It is usually included in a single package with a voltmeter, and often an ammeter. In normal usage, ...

(Encyclopedia) Cananaean kānənēˈən [key], epithet of St. Simon. ...

(Encyclopedia) Zelotes zēlōˈtēz [key] [Gr.,=zealot], name of St. Simon. ...

(Encyclopedia) Ladysmith Black Mambazo mämbäzˈō [key], choral group formed in 1965 in Ladysmith, South Africa, founded and led (until 2014) by Joseph Shabalala (1941–2020). The group, which sings with a precis...

(Encyclopedia) García Gutiérrez, Antonio äntōˈnyō gärthēˈä go͞otyārˈrĕth [key], 1813?–1884, Spanish romantic playwright. He was a soldier when his best-known play, El trovador, was staged in 1836. Th...

(Encyclopedia) electric and magnetic units, units used to express the magnitudes of various quantities in electricity and magnetism. Three systems of such units, all based on the metric system, are commonly used. On...

(Encyclopedia) Jude, Saint, or Saint Judas [Jude is an English form to distinguish him from Judas Iscariot], in the New Testament, one of the Twelve Apostles, also called Thaddaeus. He is thought to have been the so...