Hatten Yoder
Geologist
Hatten Schuyler Yoder, Jr., was a geophysicist and experimental petrologist who conducted pioneering work on minerals under high pressure and temperature. He was noted for his study of silicates and igneous rocks. Wikipedia
Born: March 20, 1921
Died: August 2, 2003 (age 82 years), Bethesda, MD
Awards: Wollaston Medal and Arthur L. Day Medal
Education: The University of Chicago