William Neil Thornburg, 78, of Azle passed away, Saturday, September 4, 2021 at home. He was born December 14, 1942 in Fort Worth to William Franklin and Annie Jo Thornburg. They both preceded him in death along with his wife, Jan Thornburg, and brothers, Willard and Joe Thornburg and his sister Kathy Davis. William was a very smart man and enjoyed inventing things. He liked fishing, riding his trike and the computer. William is survived by his children, JoAnn, Mary and Michael; brothers, Dwayne Thornburg and wife, Betty and Edward Thornburg; several nieces, nephews and extended family.