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John Thomson MASON, Congress, MD (1815-1873)

MASON John Thomson , a Representative from Maryland; born at ``Montpelier,'' near Hagerstown, Washington County, Md., May 9, 1815; educated by a private tutor and was graduated from Princeton…

Atomic Theory

A theory of the structure and behavior of atoms has taken more than two millenia to evolve, from the abstract musings of ancient Greek philosophers to the high-tech experiments of modern…

Crookes, Sir William

(Encyclopedia) Crookes, Sir William, 1832–1919, English chemist and physicist. After serving at the Radcliffe Observatory, Oxford, and teaching chemistry at Chester Training College, he retired to…

Crookes tube

(Encyclopedia) Crookes tube, device invented by Sir William Crookes (c.1875) consisting essentially of a sealed glass tube from which nearly all the air has been removed and through the walls of…

Gabor, Dennis

(Encyclopedia) Gabor, Dennis, 1900–1979, Hungarian-born British physicist, Ph.D. Berlin Institute of Technology 1927. Gabor was a researcher with the Thomson-Houston Company, England, from 1934 to…

Watson, Thomas Edward

(Encyclopedia) Watson, Thomas Edward, 1856–1922, American political leader, b. Columbia co., Ga. A successful lawyer, he practiced in Thomson, Ga., before serving (1882–83) in the state legislature…

Boulanger, Nadia

(Encyclopedia) Boulanger, NadiaBoulanger, Nadianädyäˈ [key]Boulanger, Nadia b&oomacr;läNzhāˈ [key], 1887–1979, French conductor and musician, b. Paris. Boulanger was considered an outstanding…

Geddes, Sir Patrick

(Encyclopedia) Geddes, Sir PatrickGeddes, Sir Patrickgĕdˈĭs [key], 1854–1932, Scottish biologist and sociologist, distinguished especially in town planning. He received his biological training in T.…