Arthur Hartstein, of Palm Beach Gardens, Fla., passed away on May 19. Beloved husband of Geri Elias and the late Marlene Hartstein; proud father of Bonnie (Gal) Hartstein Shweiki and Diana (Peter) Beinart; loving stepfather of Andy (Debbie Curtis) Elias and Kenny (Risa) Elias; and cherished grandfather of Jacqueline, Ezra, Naomi, Aimee, Anya, Jake and Alex. Born in 1940, Arthur graduated from Brooklyn Polytech, earned a Ph.D. in physical chemistry from Adelphi University and spent his career at the Department of Energy creating policy for oil shale, petroleum and natural gas. He retired as a lieutenant colonel in the Army Reserves, Corps of Engineers. Contributions may be made to Fisher House Foundation.