Duane Clinton Bull, 63, of Calallen, Texas, passed away Saturday, March 5, 2011 at his home after a long illness. He was born November 7, 1947 in Kingsville, Texas to David Clinton Bull and Juanita Wilson Bull. He was employed by Celanese Research Center for 21 years, attended River Hills Baptist Church, loved activities with his family and enjoyed hunting and fishing. He was preceded in death by his father, David Clinton Bull. He is survived by his wife of 44 years, Peggy L. Bull of Calallen, Texas; his sons, Brady D. (Kathie) Bull and Ryan D. Bull all of Calallen, Texas; his mother, Juanita Wells of Azle, Texas; his sister, Patricia (Herb) Tilley of Azle, Texas; his brothers, Ronnie (Caroline) Bull of Bolingbrook, Illinois, Danny (Darla) Bull of Fort Worth, Texas, and Barry (Carol) Bull of Garland, Texas; one grandson, Wyatt Bull of Calallen, Texas; numerous nieces and nephews. Visitation will be from 1 P.M. until 8 P.M. with the family present from 6 P.M. until 8 P.M. Monday, March 7, 2011 at Sawyer-George Funeral Home. Funeral services will be conducted at 10 A.M. Tuesday, March 8, 2011 at River Hills Baptist Church with Brother Bill Simmons officiating. Burial will follow in Restland Cemetery in Bishop, Texas. Those who wish may make contributions to River Hills Baptist Church or the American Cancer Society.