Harry Hammond Hess

Harry Hammond Hess (May 24, 1906 – August 25, 1969) was an American geologist and a United States Navy officer in World War II who is considered one of the "founding fathers" of the unifying theory of plate tectonics. He is best known for his theories on sea floor spreading, specifically work on relationships between island arcs, seafloor gravity anomalies, and serpentinized peridotite, suggesting that the convection of the Earth's mantle was the driving force behind this process.

Harry Hammond Hess
Harry Hess in 1941
BornMay 24, 1906 (1906-05-24)
New York City, New York, United States
DiedAugust 25, 1969 (1969-08-26) (aged 63)
Woods Hole, Massachusetts United States
NationalityAmerican
Alma materPrinceton University
Known forDiscovering seafloor spreading
AwardsPenrose Medal (1966)
Scientific career
FieldsGeology
ThesisHydrothermal metamorphism of an ultrabasic intrusive at Schuyler, Virginia (1932)
Doctoral advisorArthur Francis Buddington
Doctoral studentsEugene Merle Shoemaker
John Tuzo Wilson
Ronald Oxburgh
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