Roland Muller (Rollie) died peacefully at his home in Oklahoma City, Oklahoma on November 18, 2020. He is survived by his wife, Carole Sue Muller, his children and their spouses: Maggie Wilson (Dennis), Michele Glover (Terry), Mike Muller (Samantha), 7 grandchildren and 11 great-grand children. He is also survived by his stepsons and their spouses: Rick Carlin (Debbie), Mark Carlin (Holly) and Scott Carlin (Susan).Rollie was born and raised in St. Paul, Minnesota, the middle son of Luxembourg immigrants. His brother Claude Muller and sister Marcella, known as Sister Corda, preceded him in death. After WWII Rollie worked for American Airlines and fell in love with flying. He moved to Tulsa to attend Spartan School of Avionics and then settled in Oklahoma City. Using his knowledge of avionic electronics, he spent his career as a civil servant working at Tinker Air Base and then for 23 years with the FAA in hanger 9. He retired in 1980.Rollie was a devoted husband and father. He and Carole Sue have been happily married for 24 years. He was married to his first wife, Edith for almost 40 years till her death in 1990.His children remember with great joy family camping vacations. He traded his golf clubs for the family's first pet dog because golf took too much time away from the family.Rollie was an avid and very good bridge player, playing several times a week until the pandemic closed down his world. He was a talented wood worker, creating beautiful turned bowls and useful spice racks and cutting boards. He gave generously of his time and talent to Our Lady's Cathedral where he refinished the church organ and remade the choir loft rail. He created a beautiful curved seat for the altar boys which graced the apse of the church for many years. A willingness to volunteer was a constant in his life. He volunteered his time driving cancer patients for American Cancer Society for 20 years, cooked meals for the Meals on Wheels program, and helped start the Christmas Tree Lot at Our Lady's 60 years ago. He lived a full and loving life giving of himself to his family, his church and his community.