Edwin Mattison McMillan

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The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

McMillan, Edwin Mattison


Born Sept. 18, 1907, in Redondo Beach, Calif. American physicist.

In 1928, McMillan graduated from the California Institute of Technology in Pasadena. In 1935 he began working at the radiation laboratory of the University of California, becoming the laboratory’s director in 1958. He also became a professor at the university in 1946. His main works are devoted to nuclear physics and to the technology involved in the acceleration of elementary particles. In 1940, McMillan discovered the first transuranium element, neptunium, by irradiating a uranium target with neutrons; he was also co-discoverer of plutonium (1940-41). In 1945, somewhat later than but independently of V. I. Veksler, he proposed the principle of phase stability in accelerators. McMillan received a Nobel Prize in 1951 with G. Seaborg.


“The Synchrotron: A Proposed High-Energy Particle Accelerator.” Physical Review, 1945, vol. 68, no. 5, p. 143.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
Seaborg (shown) and Edwin McMillan shared the chemistry Nobel for using atom smashers to create six elements and some 100 new isotopes (11/24/51, p.
Mas adelante participo en el Proyecto Manhattan y, en colaboracion con Edwin McMillan, diseno un sistema para separar y concentrar Uranio 235, un paso esencial en la produccion del primer material, proveniente de las instalaciones de Oak Ridge, en Tennessee, para la bomba atomica.
Later on he participated in the Manhattan Project and, in collaboration with Edwin McMillan, he designed a system for separating and concentrating uranium 235, an essential step in producing the first bomb-grade material which came out of the Oak Ridge, Tennessee facility.
The Chemistry Nobelists Name Award Field Year Ernest Rutherford Disintegration of elements and chemistry 1908 of radioactive substances Marie Curie Discovery of radium and 1911 polonium Frederick Soddy Chemistry of radioactive 1921 substances and origin and nature of isotopes Francis Aston Discovery of isotopes of 1922 many elements by mass spectroscopy Harold Urey Discovery of heavy 1934 hydrogen Frederic Joliot & Synthesis of new radio- 1935 Irene Joliot-Curie active elements George de Hevesy Isotopes as tracers in 1943 chemical research Otto Hahn Discovery of atomic 1944 fission Glenn Seaborg & Discoveries of 1951 Edwin McMillan transuranium elements Willard Libby Development of radiocarbon dating 1960