Clyde W. Kassner, 61, of Duncan, passed away on Sunday, March 11th in Oklahoma City, OK. Clyde was born June 25, 1950 at Alice, TX to Benjamin A. & Helen(Pinkert) Kassner. He married Bonnie Johanningmeier on June 28, 1975 at The Grove, TX. Clyde attended St. Elizabeth Parochial School and graduated in 1968 from William Adams High School. He was employed by Halliburton Services for 36 years in the Special Services Dept. He was a veteran, serving in the US Air Force during the Vietnam Conflict and was a member of Good Shepherd Lutheran Church. Clyde is survived by his wife Bonnie, three children Sandy Kassner of Flint, TX, Brad Kassner of Williston, ND and Kira Kassner of Oklahoma City. One brother Dennis Kassner & wife JoAnn of Laurel, MD and one sister Jonell Peppin & husband Paul of Marquette, MI. He was preceded in death by his parents and a sister Patty Hawkins.