Hatten Schuyler Yoder, Jr., (March 20, 1921 – August 2, 2003) was a
geophysicist
Geophysics () is a subject of natural science concerned with the physical processes and properties of Earth and its surrounding space environment, and the use of quantitative methods for their analysis. Geophysicists conduct investigations acros ...
and experimental
petrologist
Petrology () is the branch of geology that studies rocks, their mineralogy, composition, texture, structure and the conditions under which they form. Petrology has three subdivisions: igneous, metamorphic, and sedimentary petrology. Igneous an ...
who conducted pioneering work on minerals under high pressure and temperature. He was noted for his study of
silicate
A silicate is any member of a family of polyatomic anions consisting of silicon and oxygen, usually with the general formula , where . The family includes orthosilicate (), metasilicate (), and pyrosilicate (, ). The name is also used ...
s and
igneous rock
Igneous rock ( ), or magmatic rock, is one of the three main rock types, the others being sedimentary and metamorphic. Igneous rocks are formed through the cooling and solidification of magma or lava.
The magma can be derived from partial ...
s.
Life
Yoder was born in
Cleveland, Ohio
Cleveland is a city in the U.S. state of Ohio and the county seat of Cuyahoga County, Ohio, Cuyahoga County. Located along the southern shore of Lake Erie, it is situated across the Canada–United States border, Canada–U.S. maritime border ...
on March 20, 1921.
Yoder was educated at the University of Chicago and the Massachusetts Institute of Technology. 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.
He died on August 2, 2003
[ at Suburban Hospital in Bethesda, Maryland from sepsis and renal failure.]
Awards and recognition
* Member, United States National Academy of Sciences, 1958
* Arthur L. Day Medal, Geological Society of America, 1962
* Wollaston Medal, Geological Society of London, 1979
* Member, American Academy of Arts and Sciences, 1979
* Member, American Philosophical Society, 1979
* Roebling Medal, 1992
Published works
*
References
Further reading
*
1921 births
2003 deaths
American geophysicists
University of Chicago alumni
Wollaston Medal winners
Petrologists
{{geologist-stub
Members of the American Philosophical Society