Gary was born in Milwaukee, WI on Nov. 22, 1939, to Howard and Dorothy Klatt.  On June 6, 1964, Gary married Pat Leistikow in Madison, WI and they had 2 children, Dan and Cathy.

Gary earned a Bachelor’s degree from Case Institute of Technology, a Masters and Ph.D. in Letters and Science from UW Madison.  He taught math at Marquette University and he was a professor of mathematics at UW Whitewater from 1967 until he retired, also serving as the Chairman of the Math Dept. for 3 years.

During his tenure at UWW, he was the faculty advisor to the Hobbits Outdoor Club, enjoying many years of traveling the country canoeing, hiking, biking, camping, and spelunking.  Gary was very active in the Walworth/Jefferson County chapter of the Ice Age Trail and the Mobile Skills Crew building bridges and boardwalks, constructing and maintaining the trails, and fundraising.  He also served on the Board of Directors of the Ice Age Trail Alliance and was the recipient of the Spirit Stick Award.

Gary is survived by his wife Pat, two children Dan Klatt and Cathy (Pat) Boersma, Sister-in-Law Mary Klatt, Niece Laura (Andy) Fine, and Brother-in-Law Mike (Shirley) Leistikow.

He is preceded in death by his parents Howard and Dorothy and brother Dennis .

An informal celebration of Gary’s life will be held on Sunday Dec. 2, 2018 from 1:00-4:00pm at 841 Brew House, 841 Milwaukee St, Whitewater, WI where appetizers will be served.

In lieu of other expressions of sympathy, memorials may be made to The Ice Age Trail Alliance at P.O. Box 128, Cross Plains, WI 53528

The Nitardy Funeral Home, Whitewater is assisting the family, www.nitardyfuneralhome.com