Daniel was born February 16, 1936 to Frank William and Ruby Marie (Olson) Hawley in Detroit, Michigan. Daniel served in the United States Air Force as a Meteorologist and Vietnam Veteran. He married the love of his life, Nelde Helge Peschau April 18, 1959 in Bremerhaven, Germany. He was a longtime resident of Waco. They celebrated 60 years together. He was preceded in by his parents.
Survivors include his wife, Nelde; son, Robert, daughters, Caroline and Rosemarie and their families; along with his sister, Carol.