description Paul Hoffman Overview
Paul Hoffman is a Canadian geologist, born in 1941, who served as a professor at Harvard University after earlier work with the Geological Survey of Canada. He is best known for advancing the Snowball Earth hypothesis in the 1990s, proposing that Earth experienced near-global glaciation during the Neoproterozoic era roughly 700 million years ago. His earlier research on Proterozoic tectonics and paleomagnetism helped reconstruct ancient continental configurations. He was elected to the National Academy of Sciences.
insights Ranking position
Paul Hoffman ranks #20 of 242 in the Geologist ranking, behind Harry Hammond Hess, ahead of Bruce Heezen.
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What is Paul Hoffman best known for in the field of geology?
Paul Hoffman is best known for advancing the Snowball Earth hypothesis in the 1990s. This hypothesis proposes that Earth experienced near-global glaciation, essentially freezing over entirely, during the Neoproterozoic era.
Where did Paul Hoffman work as a professor?
Hoffman served as a professor at Harvard University after conducting extensive earlier field work with the Geological Survey of Canada. He brought his expertise in Precambrian geology to Harvard during his esteemed academic career.
What evidence did Paul Hoffman use to support the Snowball Earth hypothesis?
Hoffman pointed to geological evidence of glacial deposits found in tropical latitudes, such as the Otavi Group in Namibia. He argued that these ancient glacial traces could only be explained by a completely frozen global ocean.
When was Paul Hoffman born?
Paul Hoffman was born in 1941. The Canadian geologist went on to become one of the most influential Earth scientists of his generation.
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