Steward and the former Shirley Berry were married Nov. 17, 1957 at Lafayette.
Both are retired teachers for North Putnam High School, and are members of Roachdale Christian Church. Both are graduates of Purdue University.
They are the parents of Bradley Steward and wife Lee Ann, and Barry Steward and wife Dee Ann, all of Indianapolis. They also have three grandchildren.
Friends and relatives are invited to attend the celebration. Gifts should be omitted. Cards may be sent to the couple at 158 Gettysburg, Coatesville, 46121.