41. Index Of Nobel Laureates In Physics Richardson, Sir Owen Willans 1928 Richter, Burton 1976 Roentgen, Wilhelm Conrad 1901 Rohrer, Heinrich 1986 Rubbia, Carlo 1984 Ruska, Ernst 1986 Ryle, Sir Martin http://nobelprizes.com/nobel/physics/alpha.html

ALPHABETICAL LISTING OF NOBEL PRIZE LAUREATES IN PHYSICS Name Year Awarded Abrikosov, Alexei A. Alferov, Zhores I. Alfven, Hannes Alvarez, Luis W. ... Medicine We always welcome your feedback and comments

42. John Sealy Townsend Facts - Freebase Facts and figures about John Sealy Townsend, taken from Freebase, the world's database. http://www.freebase.com/view/en/john_sealy_townsend

43. Sir Owen Willans Richardson: Biography From Answers.com Richardson, Sir Owen Willans, 18791959, British physicist, Ph.D. University College, London, 1904. He was a professor at Princeton from 1906 to 1913 and at King's College London http://www.answers.com/topic/sir-owen-willans-richardson

var isReferenceAnswers = true; BodyLoad('s'); On this page Library Animal Life Health History, Politics, Society ... Technology Sir Owen Willans Richardson Scientist: Sir Owen Willans Richardson Home Library Science Dictionary of Scientists British physicist (1879–1959) Richardson, the son of a woollen manufacturer from Dewsbury in the north of England, was educated at Cambridge University and at London University, where he became a DSc in 1904. He taught at Princeton in America from 1906 to 1913, when he returned to England to become Wheatstone Professor of Physics at King's College, London, where he remained until his retirement in 1944. Richardson is noted for his work on the emission of electrons from hot surfaces – the phenomenon first observed by Thomas Edison and used by Edison, John Fleming, Lee de Forest, and others in electron tubes. Richardson proposed an explanation of what he named ‘thermionic emission’, suggesting that the electrons came from within the solid and were able to escape provided that they had enough kinetic energy to overcome an energy barrier at the surface – the work function of the solid. Thus thermionic emission of electrons is analogous to evaporation from a liquid. The

44. Ptak Science Books: NOBEL PRIZE Physics, Alphabetical//Short List Richardson, Sir Owen Willans 1928 Richter, Burton 1976 Roentgen, Wilhelm Conrad 1901 Rohrer, Heinrich 1986 Rubbia, Carlo 1984 Ruska, Ernst 1986 http://longstreet.typepad.com/thesciencebookstore/nobel-prize-physics-alpha.html

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