On Tuesday, June 5, 2018 of Rockville, MD. Loving son of Helen Rosenblum and the late Lester Rosenblum z'l. Beloved husband of 35 years to Lisa Rosenblum; loving brother of Bruce (Jeri); cherished uncle of Daniel, David and Erica and great-uncle of Abbi. Donald was a strong-willed individual who will be remembered for his fortitude and his zest for life. A graveside service will be held on Thursday, June 7 at 11 a.m. at Mt. Lebanon Cemetery in Adelphi, MD. Shiva will be held Thursday with a minyan service at 7 p.m. at the Rosenblum residence in Rockville, MD. Memorial contributions may be made to the National Parkinson Foundation or a charity of your choice.