Hal Helgeson

Harold C. Helgeson (November 13, 1931 – May 28, 2007) was an American scientist and educator. A pioneering theoretical geochemist, he was a professor at the University of California, Berkeley.^[1]

Hal Helgeson
Born	Harold C. Helgeson (1931-11-13)November 13, 1931 Minneapolis, Minnesota, U.S.
Died	May 28, 2007(2007-05-28) (aged 75) Berkeley, California, U.S.
Education	Michigan State University (BS) Harvard University (PhD)
Awards	Urey Medal V. M. Goldschmidt Award
Scientific career
Fields	Geochemistry
Institutions	Northwestern University University of California, Berkeley
Doctoral advisor	Robert M. Garrels
Doctoral students	Everett Shock
Military career
Allegiance	United States
Branch	United States Air Force
Years of service	1954–1956
Unit	497th Reconnaissance Technical Squadron

Early life

Born in Minneapolis, Minnesota, he grew up in St. Paul. He received a B.S. in geology at Michigan State University in 1953. Helgeson went to Harvard University for graduate school, supervised by Robert M. Garrels. Helgeson received his Ph.D. in 1962.^[1]