Article · Wikipedia archive · Last revised Jun 22, 2026

Hal Helgeson

Harold C. Helgeson was an American scientist and educator. A pioneering theoretical geochemist, he was a professor at the University of California, Berkeley.

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Jun 22, 2026
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Hal Helgeson
Born
Harold C. Helgeson

(1931-11-13)November 13, 1931
DiedMay 28, 2007(2007-05-28) (aged 75)
EducationMichigan State University (BS)
Harvard University (PhD)
AwardsUrey Medal
V. M. Goldschmidt Award
Scientific career
FieldsGeochemistry
InstitutionsNorthwestern University
University of California, Berkeley
Robert M. Garrels
Doctoral students
Everett Shock
Military career
Allegiance United States
Branch
 United States Air Force
Service years
1954–1956
Unit497th Reconnaissance Technical Squadron

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

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

References

References

  1. Sanders, Robert (11 June 2007). "Geochemist Harold Helgeson has died at 75". UC Berkeley News.
Further reading

Further reading

  • Schulte, Mitch (2000). A conversation with Harold Helgeson. The Geochemical News, January 2000.
  • Shock, Everett L. and Jan P. Amend (2001). A tribute to Hal Helgeson on his 70th birthday. Geochimica et Cosmochimica Acta, Vol. 65, page 3613.
  • Sverjensky, Dimitri A. (2007). Obituary. Elements, August.
  • Grimes, Mike (2007-06-17). "Harold Helgeson Obituary (2007)". Legacy.com. Retrieved 2025-04-06.