Hollis Dow Hedberg
Encyclopedia
Hollis Dow Hedberg was an American
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 geologist
Geologist
A geologist is a scientist who studies the solid and liquid matter that constitutes the Earth as well as the processes and history that has shaped it. Geologists usually engage in studying geology. Geologists, studying more of an applied science than a theoretical one, must approach Geology using...

 specialising in petroleum exploration. He taught at Princeton University
Princeton University
Princeton University is a private research university located in Princeton, New Jersey, United States. The school is one of the eight universities of the Ivy League, and is one of the nine Colonial Colleges founded before the American Revolution....

 from 1959 until his retirement in 1971. Hedberg was awarded the Mary Clark Thompson Medal
Mary Clark Thompson Medal
The Mary Clark Thompson Medal is awarded by the U.S. National Academy of Sciences "for most important service to geology and paleontology." Named after Mary Clark Thompson, it was first awarded in 1921.- List of Mary Clark Thompson Medal winners :...

 from the National Academy of Sciences
United States National Academy of Sciences
The National Academy of Sciences is a corporation in the United States whose members serve pro bono as "advisers to the nation on science, engineering, and medicine." As a national academy, new members of the organization are elected annually by current members, based on their distinguished and...

 in 1973 . In 1975 he was awarded the Wollaston Medal
Wollaston Medal
The Wollaston Medal is a scientific award for geology, the highest award granted by the Geological Society of London.The medal is named after William Hyde Wollaston, and was first awarded in 1831...

 of the Geological Society of London
Geological Society of London
The Geological Society of London is a learned society based in the United Kingdom with the aim of "investigating the mineral structure of the Earth"...

.

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