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Edwin Mattison McMillan (September 18, 1907 – September 7, 1991) 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 .
Biographical. Edwin Mattison McMillan was born on 18th September, 1907, at Redondo Beach, California. He is the son of Dr. Edwin Harbaugh McMillan, a physician, and his wife, Anne Marie McMillan, née Mattison, who both came from the State of Maryland and were both of English and Scottish descent.
Edwin Mattison McMillan was an American nuclear physicist who shared the Nobel Prize for Chemistry in 1951 with Glenn T. Seaborg for his discovery of element 93, neptunium, the first element heavier than uranium, thus called a transuranium element. McMillan was educated at the California Institute.
Sep 7, 1991 · In 1940 Edwin McMillan used a particle accelerator to radiate uranium with neutrons and proved that an element with an atomic number of 93 had been created. It was named neptunium. McMillan also contributed to the mapping of additional heavy elements and isotopes.
Sep 9, 1991 · Edwin Mattison McMillan, a pioneer in modern chemistry and physics who won the Nobel Prize in Chemistry in 1951 as a co-discoverer of plutonium and neptunium, died Saturday at his home in...
Edwin McMillan spent a large part of his professional life in close association with Ernest O. Lawrence1 and succeeded Lawrence as director of what is now the Lawrence Berkeley Laboratory in 1958. Yet the two men could hardly be more different.
Learn about Edwin McMillan, an American physicist who discovered neptunium and plutonium and won the Nobel Prize in Chemistry. See his timeline, photos, and contributions to the Manhattan Project and the Berkeley Radiation Laboratory.
