Mark William Coffey

October 24, 1957 — October 17, 2019

Mark William Coffey

Mark William Coffey, 61, of Boulder, Colorado, died October 17, 2019. He was born October 24, 1957 in Lincoln, Nebraska, the son of William D. and Patricia A. (Morgan) Coffey. He was raised in Nebraska and Iowa and received his undergraduate degree from the University of Iowa. He earned a PhD in mathematics from the New York University Courant Institute of Mathematics and a PhD in physics from Iowa State University. His research areas included theoretical physics and applied mathematics. He worked for IBM, the National Institute of Standards and Technology, the University of Colorado, and Colorado School of Mines. He was an amateur geologist who loved to hike, and he climbed many 14,000-foot mountains in the Colorado Rockies. He is preceded in death by his parents. He is survived by his brother Milo Coffey, of Ft. Dodge, Iowa, and his sister, Laurel Crusinberry, of Lincoln, Nebraska. Graveside service will be Friday, October 25, 2019 at 12 PM at Deaver Cemetery, Stamford, Nebraska. Memorials may be made to the Children’s Tumor Foundation ( for research on neurofibromatosis. Wenburg Funeral Home of Beaver City, Nebraska is in charge of the arrangements. Condolences and personal reflections may be left at

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