Hatten Yoder
Encyclopedia
Hatten Schuyler Yoder, Jr., (1921–August 2, 2003) was a geophysicist and experimental petrologist
Petrology
Petrology is the branch of geology that studies rocks, and the conditions in which rocks form....

 who conducted pioneering work on minerals under high pressure and temperature. He was noted for his study of silicate
Silicate
A silicate is a compound containing a silicon bearing anion. The great majority of silicates are oxides, but hexafluorosilicate and other anions are also included. This article focuses mainly on the Si-O anions. Silicates comprise the majority of the earth's crust, as well as the other...

s and igneous rock
Igneous rock
Igneous rock is one of the three main rock types, the others being sedimentary and metamorphic rock. Igneous rock is formed through the cooling and solidification of magma or lava...

s.

Yoder was educated at the University of Chicago
University of Chicago
The University of Chicago is a private research university in Chicago, Illinois, USA. It was founded by the American Baptist Education Society with a donation from oil magnate and philanthropist John D. Rockefeller and incorporated in 1890...

 and the Massachusetts Institute of Technology
Massachusetts Institute of Technology
The Massachusetts Institute of Technology is a private research university located in Cambridge, Massachusetts. MIT has five schools and one college, containing a total of 32 academic departments, with a strong emphasis on scientific and technological education and research.Founded in 1861 in...

. He served as the fourth Director of the Carnegie Institution of Washington's Geophysical Laboratory, from 1971 to 1986. In 1979, he received 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...

.

He died on August 2, 2003.

Awards & recognition

  • Arthur L. Day Medal
    Arthur L. Day Medal
    The Arthur L. Day Medal is a prize awarded by the Geological Society of America, established in 1948 by Arthur Louis Day for "outstanding distinction in contributing to geologic knowledge through the application of physics and chemistry to the solution of geologic problems"....

    , Geological Society of America, 1962
  • 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...

    , Geological Society of London, 1979
  • Roebling Medal
    Roebling Medal
    The Roebling Medal is the highest award of the Mineralogical Society of America for scientific eminence as represented primarily by scientific publication of outstanding original research in mineralogy. The award is named for Colonel Washington A. Roebling who was an engineer, bridge builder,...

     1992

Published works

  • Centennial History of the Carnegie Institution of Washington. Volume III. 2004, The Geophysical Laboratory, Cambridge University Press
    Cambridge University Press
    Cambridge University Press is the publishing business of the University of Cambridge. Granted letters patent by Henry VIII in 1534, it is the world's oldest publishing house, and the second largest university press in the world...

    , ISBN 052183080X
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