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Hunt, R. Timothy

(Encyclopedia)Hunt, R. Timothy (Richard Timothy Hunt), 1943–, British biochemist, Ph.D. Cambridge, 1968. Hunt was a researcher at the Albert Einstein College of Medicine, New York City (1968–81) and a professor...

Yang, Chen-ning

(Encyclopedia)Yang, Chen-ning chĕn-nĭng yäng [key], 1922–, American physicist, b. China, Ph.D. Univ. of Chicago, 1948. Yang was a member of the Institute for Advanced Study at Princeton, N.J. from 1949 to 1955...

ether, in physics and astronomy

(Encyclopedia)ether or aether, in physics and astronomy, a hypothetical medium for transmitting light and heat (radiation), filling all unoccupied space; it is also called luminiferous ether. In Newtonian physics a...

photoelectric effect

(Encyclopedia)photoelectric effect, emission of electrons by substances, especially metals, when light falls on their surfaces. The effect was discovered by H. R. Hertz in 1887. The failure of the classical theory ...

Greengard, Paul

(Encyclopedia)Greengard, Paul, 1925–2019, American neuroscientist, b. New York City, Ph.D. Johns Hopkins, 1953. Greengard was on the staff at Geigy Research Laboratories (1959–67) and a professor at the Albert ...

Weiss, Rainer

(Encyclopedia)Weiss, Rainer, 1932–, American physicist, b. Berlin, Germany, Ph.D. Massachusetts Institute of Technology, 1962. Weiss has been on the faculty of the Massachusetts Institute of Technology since 1964...

Barish, Barry Clark

(Encyclopedia)Barish, Barry Clark, 1936–, American experimental physicist, b. Omaha, Nebr. Ph.D. Univ. of California, Berkeley, 1962. Barish has been a professor (emeritus from 2005) at the California Institute o...

Cummins, Albert Baird

(Encyclopedia)Cummins, Albert Baird, 1850–1926, U.S. Senator from Iowa (1909–26), b. Green co., Pa. He studied law in Chicago and in 1878 joined his brother in practice in Des Moines. As governor of Iowa (1901â...

Cook, Frederick Albert

(Encyclopedia)Cook, Frederick Albert, 1865–1940, American explorer and physician, b. Sullivan co., N.Y. Cook early became interested in the arctic and accompanied the expedition of Robert E. Peary in 1891–92 as...

Albert, German churchman

(Encyclopedia)Albert, 1490–1545, German churchman, cardinal of the Roman Catholic Church. A member of the house of Brandenburg, he became (1514) archbishop of Mainz. Because Albert was underage, this appointment ...