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Glenn T. Seaborg

American chemist (1912–1999)

Glenn T. Seaborg
Seaborg in 1964
Born	Glen Theodore Seaborg (1912-04-19)April 19, 1912 Ishpeming, Michigan, US
Died	February 25, 1999(1999-02-25) (aged 86) Lafayette, California, US
Education
Known for	Contributions to the synthesis, discovery and investigation of ten transuranium elements
Spouse
Children	7, including David
Awards
Scientific career
Fields	Nuclear chemistry
Institutions
Thesis	The interaction of fast neutrons with lead (1937)
Doctoral advisors
Doctoral students
Other notable students	Margaret Melhase, Geoffrey Wilkinson
In office March 1, 1961 – August 16, 1971
Preceded by	John McCone
Succeeded by	James R. Schlesinger
In office 1958–1961
Preceded by	Clark Kerr
Succeeded by	Edward W. Strong

Glenn Theodore Seaborg (SEE-borg; April 19, 1912 – February 25, 1999) was an American chemist whose involvement in the synthesis, discovery and investigation of ten tran

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With his colleagues at the University of California at Berkeley, Glenn Seaborg discovered the element plutonium in late 1940. He went on to identify several more of the radioactive “transuranium” elements—so named for their position following uranium in the periodic table—and received a Nobel Prize in 1951. He was also recruited by the Manhattan Project and the former U.S. Atomic Energy Commission.

A native of Michigan, Glenn Theodore Seaborg (1912–1999) earned his bachelor’s degree at the University of California at Los Angeles and his doctorate in chemistry from the University of California at Berkeley. He then served as research assistant to Gilbert Newton Lewis and eventually became chancellor of the university.

He worked away from Berkeley during two significant periods: once to participate in the Manhattan Project at the University of Chicago from 1942 to 1946, and then again to chair the U.S. Atomic Energy Commission (AEC) from 1961 to 1971—from which he returned to Berkeley.

Transuranium Elements, Plutonium, and the Bomb

In 1940 the physicist Edwin M. McMillan, as

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Biographical Memoirs: Volume 78 (2000)

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Suggested Citation:"Glenn Theodore Seaborg." National Academy of Sciences. 2000. Biographical Memoirs: Volume 78. Washington, DC: The National Academies Press. doi: 10.17226/9977.

Courtesy of the University of California Lawrence Berkeley Laboratory

Page 237 ShareCite

Suggested Citation:"Glenn Theodore Seaborg." National Academy of Sciences. 2000. Biographical Memoirs: Volume 78. Washington, DC: The National Academies Press. doi: 10.17226/9977.

GLENN THEODORE SEABORG

April 19, 1912–February 25, 1999

BY DARLEANE C. HOFFMAN

GLENN T. SEABORG WAS a world-renowned nuclear chemist, educator, scientific advisor to 10 U.S. presidents, humanitarian, and Nobel laureate in chemistry. He is probably best known for his leadership of the team that in 1941 accomplished the first chemical separation and positive identification of plutonium and his “revolutionary” actinide concept (1944) in which he placed the first 14 elements heavier than actinium in the pe