Edwin McMillan, American Physicist
The principle of phase stability explained by its author McMillan. Edwin Mattison McMillan (September 18, 1907 - September 7, 1991) was an American physicist. He did a research project with Linus Pauling as an undergraduate and received his BS in 1928 and his MS in 1929, from the California Institute of Technology. He joined the group of Ernest Lawrence at the University of California, moving to the Berkeley Radiation Lab when it was founded in 1934. His experimental skills lead to the discovery of oxygen-15 with M. Stanley Livingston and beryllium-10 with Samuel Ruben. In 1940 he and Philip Abelson created neptunium, while conducting a fission experiment of uranium-239 with neutrons, using the cyclotron at Berkeley. During WWII, he was involved in research on radar at MIT and was recruited to the Manhattan Project. In 1945 he developed ideas for the improvement of the cyclotron, leading to the development of the synchrotron. With Glenn Seaborg, he shared the Nobel Prize in Chemistry in 1951 for "discoveries in the chemistry of the transuranium elements." In 1954 he was appointed associate director of the Lawrence Radiation Laboratory, being promoted to director in 1958, where he stayed until his retirement,1973. He died in 1991 at the age of 83.
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