ROBERT BOB KNIGHT, age 88, a lifetime resident of Irving, died Wednesday, May 8, 2013 at home. Born August 30, 1924 in Carrollton, Texas to Sidney H. and Margie Parker Knight, Bob retired from Texas Instruments. Preceded in death by his parents and wife, Bobbye Knight in 2004, he is survived by his son, Terry Knight; daughter, Carol Boyle and husband Mike, all of Irving; 5 grandchildren; 7 great grandchildren; and brother T.C. Knight. Service is 1:15 p.m., Tuesday, May 14, 2013 at Dallas-Fort Worth National Cemetery.