Robert H. Kosztowny of Fremont died unexpectedly on Saturday, July 18, 2015. Bob received his Masters Degree in Math Education and was a mathematics teacher in the public schools for 37 years and as well as leading math workshops. Bob was the Fremont tennis coach and supported all his students. Bob participated in many archery camps and leagues and also enjoyed golfing with his teaching friends. Bob is survived by his loving wife, Lorna: children, Zachary and Cyrus; father, Henry Kosztowny; brother, John (Rita) Kosztowny; many cousins; many nieces and nephews; and also grand-nieces, Sophia and Macie; and grand-nephews, Isaac and Kana. There will be no services at this time. For a more lasting memorial friends are asked to consider Wounded Warriors Project or the Muskegon Bowmen Club c/o Crandell Funeral Home. Friends may share memories and condolences online at crandellfh.com.