Howard David Knall, 80 years old passed away on Friday, July 23, 2021, in Goodyear, AZ. He was the son of the late Phillip A and Barbara M (Zoeller) Knall, and born on November 4, 1940, in Columbus, Ohio. Survived by his wife of 58 years Mary Lou (Miller) Knall, son Christopher C Knall and daughter, Pamela M (Michael) Walker. Grandson, Cody M Walker and granddaughter, Sydney N Walker all of Goodyear, AZ. Grandson, Joseph T Knall of Louisville, KY. Donations may be made to the American Heart Association or the National Kidney Foundation in lieu of flowers. Thompson Funeral Chapel in Goodyear, AZ, is handling his arrangements.