Dr. Marvin C. McMaster is a retired Ph.D. Organic Chemist, Biochemist, and Analytical chemist. He has done industrial research and process development with DuPont, Kraft Foods, and Ciba/Geigy. He worked as a technical sales representative and area manager for twenty-five years selling HPLC equipment and taught extension courses at U. Mo.-St. Louis. He was a Macintosh computer support specialist at Washington U. Medical School. Currently he writes full-time and teaches at St. Andrew United Methodist Church in Florissant, MO.
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