Who is Hoffman, Paul Felix (1941– ) Canadian Geologist, Tectonicist

Who is Hoffman, Paul Felix (1941– ) Canadian Geologist, Tectonicist

Paul F. Hoffman was born on March 21, 1941, in

Toronto, Canada, and obtained his bachelor’s degree from

McMaster University in 1964. From there, he moved to

Johns Hopkins University where he received his master’s

(1965) and Ph.D. (1970) degrees. He has had professional

appointments as a lecturer at Franklin and Marshall College

from 1968 to 1969, and then built a remarkable career as a

research scientist at the Geological Survey of Canada from

1969 to 1992. After that he moved to a position as professor

at the University of Victoria in British Columbia, and since

1994 he has been the Sturgis Hooper Professor of Geology at

Harvard University.

Paul Hoffman started his career as a sedimentologist,

studying Precambrian sedimentary rocks of the Great Slave

Lake area of Canada, and the use of stromatolites as paleoenvironmental

indicators. From there he moved to the Great

Bear Lake area and was one of the pioneers in the field of

demonstrating how the plate tectonics operated in the Proterozoic,

through his detailed analysis of the 1.9-billion-yearold

Wopmay Orogen. Soon after this, Hoffman began several

years of tectonic syntheses of the Precambrian geology of

North America, pioneering the synthesis of several billion

years of Earth history from the perspective of North America.

By the late 1980s, Hoffman was synthesizing the Proterozoic

tectonics and processes on a global scale, and he was one of

the first scientists to correlate different rock packages on different

continents and propose reconstructions and histories

for several Proterozoic supercontinents, including Rodinia

and Gondwana. By the early 1990s, Hoffman’s interests and

work began to shift focus to the interactions between tectonics

and climate, testing specifically the Neoproterozoic Snowball

Earth hypothesis.

Paul Hoffman has received a number of awards for his

important contributions to the fields of Precambrian geology,

tectonics, and climate. In 1989 Ohio State University awarded

him the Bownocker Medal, while in 1992 the Geological

Association of Canada awarded Hoffman the prestigious

Logan Medal. Hoffman received the Miller Medal from the

Royal Society of Canada in 1997, the Henno Martin Medal

from the Geological Society of Namibia in 2000, and the

Alfred Wegener Medal from the European Union of Geosciences

in 2001.

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