Steiniger, John J. "Jack", of St. Charles, Missouri, died on Thursday, May 3, 2012 at the age of 79. Jack was the loving husband of Sue E. Steiniger (née: Armstrong); beloved son of the late William and Mary Steiniger; devoted father of Jim (Kelly) Steiniger, Cathy (Mike) Richmond, Ann Steiniger, Bill (Chris) Presson, and Jim (Ann) Presson; cherished grandfather of 12 grandchildren and 11 great-grandchildren; and dear brother of James (Pauline) Steiniger, Tom (Doriene) Steiniger, and Theresa (Dennis) Garnier. Jack proudly served his country in the U.S. Air Force during the Korean Conflict. He then worked as an Engineer at McDonnell Douglas and Emerson Electric. Memorials may be made to American Cancer Society or Wounded Warrior Project.