Mr. Benz, of Walldorf, Germany, married the former Margot Fasshauer, of Walldorf, Germany, on Aug. 20, 1956, at the Nazarene Church of Sandusky. The ceremony was performed in German by Rev. Paul S. Cook.
The couple have three children: Michael J. Benz, of Cleveland; Richard W. Benz, of Mammoth Lakes, Calif.; and Christina Benz Cooperrider, of Norwalk. They have six grandchildren and two great-grandchildren.
Mr. Benz retired from NASA. He also served proudly in the USAF.
The couple met at the Walldorf Fireman’s Festival in 1954.