Nobel Prize Medal

Grade Range: K-12
Resource Type(s): Primary Source, Artifacts
Date Posted: 11/10/2010

Edwin McMillan shared the 1951 Nobel Prize in Chemistry with Glenn Seaborg. McMillan discovered element 93, or neptunium, in 1940 while working on the world's largest cyclotron at the Lawrence Livermore National Laboratory. Seaborg's discovery of element 94, or plutonium, was based on McMillan's discovery.

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