MUSKEGO, Wis. (CBS 58) -- Michael Ryback of Muskego, died Tuesday, June 30, according to an obituary posted by Bevsek-Verbick Funeral Home and Crematory.

Ryback, 75, taught high school math at Pewaukee High School for more than three decades, retiring in 2010. He also coached football and wrestling and is enshrined in the National High School Football Hall of Fame.

He graduated from the University of Wisconsin-Whitewater, where he played football.

He is survived by his wife of 51 years, Marcia, along with his children, grandchildren and extended family.