Norman R. Ahlheim, age 81, of Robertsville, MO, passed away on Monday, September 10, 2018 at his home. Norman Roberts Ahlheim was born on April 17, 1937 in St. Louis, MO, to Armin and Irene (Roberts) Ahlheim. He was employed by Boeing Aircraft for 36 years, retiring on March 30, 1997.