Leslie William Foss, of Locust Valley, died on Sept. 13, 2010 in his 90th year. He was a WWII US Navy veteran and retired Nassau County Police Officer. Husband of the late Ruth (nee Perkett). Father of Skip and Cynthia. Also survived by several nieces and nephews. Companion of Gabriella. Service at the Funeral Home of Dodge-Thomas, Glen Cove on Sunday, Oct. 10 at 2 p.m. Visiting hours Sunday, Oct. 10 from noon to 2 p.m. Interment Locust Valley Cemetery.