Richard Arden Slotter, age 90, died on Tuesday, July 5, 2022, in his home at Wind Crest Retirement Community, Highlands Ranch, CO. He survived his sister Phyllis Yoder and is survived by his wife Joan (Gratz) Slotter of nearly 68 years and their three children, Susan Slotter of Santa Fe, NM, Sharon (Slotter) Gordon of Loveland, CO and Steven (Ann Rosewall) Slotter of Castle Pines, CO; two sisters, Margaret Groesbeck of Peterborough, NH and JoAnn Yukman of Medina, OH, his brother John Slotter of Old Chatham, NY; twin grandchildren, Geoffrey Gaspord of Chicago, IL and Bryan (Joelle) Gaspord