In loving memory of Ronald "BZ" Kronheim born January 8th 1934 to Jerry and Rose Kronheim. He taught Earth Science at New Eutricht high school in Brooklyn and finished his tenure as an assistant principal. In is spare time he was an avid stamp collector,antique collector as well as working with his beloved Joan collecting antique postcards. He is survived by his two sons Kenneth and William, daughter in laws Jodi and Teresa, his three grandchildren Madison, KeAndre and Kelani and his two granddogs Pumpkin and Muffin. He will be dearly missed and remembered as a loving husband, father, grandfather and friend.