Dwayne M. Coleman, 87, Rapid City, died April 21, 2012, at Westhills Village. Dwayne was born Oct 27, 1924 in Wasta, S. Dakota to Champ Coleman and Amalie Isenberg Coleman. Upon graduating from Wasta High School in 1942 he enrolled in the University of Wyoming, later serving in World War II as an officer in the US Army Air corps as a navigator on the B-24 bomber in Burma, Siam, and India. He married Helen Overholt from Wall, SD, Nov 1, 1944 at the First Presbyterian Church of Rapid City, of which he is a current member. Dwayne graduated from The Colorado School of Mines in 1949 as a Petroleum Engineer and began his 36 year career with Mobil Oil (Exxon Mobil). He obtained his Masters Degree in Petroleum Engineering in 1954 from Texas A&M. His career took him from Texas, Oklahoma, Louisiana, and Canada; culminating in the position of Offshore Engineering Manager for Mobil’s Worldwide Offshore Research and Development Division. He and Helen traveled extensively to Norway, Sweden, France, England, the Mediterranean, Africa, Newfoundland and Sable Island. They built their retirement home on the shores of Hayden Lake, Idaho while maintaining winter residences in Dallas and Possum Kingdom Lake, TX. They had 3 daughters. After Helen’s death in 1988, Dwayne married Ruth Ord of Denver and spent 7 years traveling to Hawaii, Mexico, Australia, New Zealand, Canada and the US visiting family and friends until Ruth died in 1996. Dwayne then returned to Rapid City, remaining active in local and national politics and focused on the TransCanada Keystone Pipeline. Dwayne is survived by brother Boyce Coleman and his wife Lila ( Las Vegas); daughters Debbie Baird and her husband Miller (Denver), Cynthia Jo Lopez (Tampa), Pam Troxel and her husband Tom (Rapid City); grandchildren Justin (Jana) Carlyle (Rapid City), Kimbra (Zeb) Dafnis (Phoenix), Hale Henderson (Dallas); 3 great grandchildren; and Tom and Jeff Ord (Las Vegas). He was preceded in death by sister Thalice Meiners.