Dee D TrentDr. D.D. "Dee" Trent has been working at, or teaching, geology since 1955. After graduating from college he worked in the petroleum industry where his geologic skills were sharpened with projects in Utah, Arizona, California, and Alaska. When the comany decided to send him to Libya he decided it was time to become a college geology teacher. He has taught for 28 years at Citrus Community College in Glendora, California, and along the way has worked for the National Park Service, done field research on glaciers in Alaska and California, visited numerous mines in the United States and Germany, picked up a Ph. D. from the University of Arizona, appeared in several episodes of the PBS telecourse, The Earth Revealed, and served as an adjunct faulty member at the University of Southern California, where he taught field geology. He and his wife raised two children in Claremont, California and when not involved with geology he's either skiing or playing banjo in a dixieland band. Read More Read Less