Mark Stephen Bohn was born on Oct. 1, 1950, in Hopkinsville, Ky., and died on March 28, 2014, in Golden following a year-long illness.
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He was preceded in death by his mother and father, Lillian and Mose Bohn.
Mark earned his bachelor of science degree in mechanical engineering from Georgia Tech in 1972, and his master of science degree in 1973 and doctorate in 1976 in mechanical engineering from the California Institute of Technology. In the late 1970s, he moved to Golden to work at SERI (now NREL), and in 1981 co-founded Rentech Inc., a company in Denver specializing in renewable-energy processes. He served as president of Rentech Services Corp., and also developed and managed the Rentech research and development facility.
Mark retired from Rentech in 2005, after which he briefly served as an instructor at the Colorado School of Mines and co-authored a textbook for engineering students. He spent much of his retirement enjoying skiing, bicycling, motorcycling, hiking and running. In 2011, he began volunteering as a ski instructor with the National Sports Center for the Disabled at the Winter Park Ski Resort, and in January 2012 was certified as a professional ski instructor.
Mark is survived by his sister Mary, of Lakewood, Wash.; several aunts and uncles; and many cousins.
Memorial donations in Mark's name may be made to the National Sports Center for the Disabled, 1801 Mile High Stadium Circle, Suite 1500, Denver, CO 80204.
Published in Canyon Courier from May 14 to May 20, 2014