Edwin McMillan
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Edwin Mattison McMillan was an American physicist credited with being the first to produce a transuranium element, neptunium. For this, he shared the 1951 Nobel Prize in Chemistry with Glenn Seaborg.
McMillan in 1951
McMillan (left) with Ernest Lawrence (right)
Edwin McMillan Los Alamos badge
Mark Oliphant (left) with McMillan, 1965
Glenn T. Seaborg
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Glenn Theodore Seaborg was an American chemist whose involvement in the synthesis, discovery and investigation of ten transuranium elements earned him a share of the 1951 Nobel Prize in Chemistry. His
Edwin McMillan
…American physicist credited with being the first to produce a transuranium element, neptunium. For this, he shared the 1951 Nobel Prize in Chemistry with Glenn Seaborg. A graduate of California Institute of Technology, he earned his doctorate from Princeton University in 1933, and joined the Berkeley Radiation Laboratory…
Seaborg in 1964
Seaborg in 1950, with the ion exchanger elution column of actinide elements
Seaborg (second from left) during Operation Plumbbob
From left to right: Chairman Seaborg, President Kennedy, Secretary McNamara on March 23, 1962. By this point, McNamara and Seaborg had been discussing the AEC's studies on the ecological effects of nuclear war and "clean" weapon alternatives. (Courtesy: National Security Archive, Original: National Archives)