ZIMMERMAN, MORTIMER F., 98 years old, passed away on June 11, 2021. Beloved husband of the late Annette. Devoted father of John and Ellen and Robert. Cherished grandfather of Benjamin and Anna, Gregory and Tibby and Samuel. Loving great grandfather of the late Ellis. Graveside services 2pm on Sunday June 13 at Beth David Cemetery, Elmont, New York. Services under the direction of Riverside-Nassau North Chapels, 55 North Station Plaza, Great Neck, New York, (516) 487-9600, riversidenassaunorthchapels.com