William F. Ballhaus, Sr.

William F. Ballhaus Sr. (1918 – August 16, 2013) was an engineer who worked in the field of aircraft and manufacturing. He was educated at Stanford University and California Institute of Technology. He was employed at various posts in aircraft design and manufacture at Douglas, Convair, and Northrop (chief engineer). He was elected to the National Academy of Engineering in 1973 and, with the election of his son, William F. Ballhaus Jr., to the same institution, they became the first father-son members of NAE.