Ray Everett Wilcox, born on March 31, 1912, in Janesville, Wisconsin, passed away peacefully in Lakewood, Colorado, at age 99 on March 12, 2012, only a few weeks away from his 100th birthday. He was a distinguished Research Geologist at the U.S. Geological Survey (USGS) in Denver for nearly 40 years. His record of publications spanned 64 years, from 1935–1999, with more than 86 reports and articles.

Few scientists establish prominence in a single field, but Ray was exceptional in that he made groundbreaking contributions to two distinctly different disciplines, volcanology–igneous petrology and optical mineralogy. Ray used his extensive...

First Page Preview

First page PDF preview
You do not currently have access to this article.