Mary was a long-time resident of Farmington Hills. She passed away peacefully at home September 27, 2013.

She is predeceased by her ex-husband Lyman, brother Howard Krumboltz, and her dear partner of many years, Richard Steiger. She is survived by her son Ralph, daughters Denise (Joe) and Holly (Ben), and Richard's children Maria, Marla (Ward), Reid (Ellen) and grandchildren.

Mary graduated from Iowa State University in 1947 with a BS in Civil Engineering. As a member of the American Concrete Institute, Mary wrote Formwork for Concrete which is currently used as a textbook and reference book throughout the concrete industry. She was the first female to receive the Anson Marston Medal, the highest award bestowed by Iowa State's College of Engineering. Mary is a past president of both the Concrete Improvement Board of Detroit, Mich., and the Michigan Chapter of the ACI.

Cremation has taken place and a memorial celebration for friends and family will be on Saturday, October 26th at 11:00 AM at the Universalist Unitarian Church of Farmington, 25301 Halsted Road, Farmington Hills, MI 48335.

In lieu of flowers, memorial tributes may be made to the charity of the donor's choice. Thank you.

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