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Dodge moved to New York City and entered Columbia in 1909, receiving his Ph.
D. three years later. In 1920, after eight years as a low-paid instructor at
Columbia, he accepted an appointment as plant pathologist in the U.S.
Department of ...
In 1883 he accidentally discovered the "Edison effect," which later became the
basis of the electron tube. He also perfected motion-picture equipment. Edison
effect (physics): see thermionic emission. Edjo (Egyptian goddess): see Buto.
The first of the five dynasties was the Later Liang, which was established by the
rebel leader Chu Wen after he usurped the T'ang throne in 907. Chu was
murdered by his own son in 912, and the Later Liang was overthrown by one of
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The New Encyclopaedia Britannica (Encyclopaedia)User Review - Not Available - Book Verdict
For virtually all its 238 years,Britannica has ruled the shelves as a peerless general encyclopedia. Reviewers have consistently given it high marks for most of the 12 criteria identified inKister's ... Read full review