The US declared war on Germany on April 6, 1917. This was the "First Registration" on June 5, 1917, for men aged 21 to 31. Israel, 24, was the sole supporter of his family and therefore exempt from service.
Seated left to right: Jack & Helen Bookbinder, Uncle Harry & Aunt Pauline, suspected bride-and-groom Natalie & Max Bookbinder, Natalie’s parents Bessie and Julius Gelfand, and unknown aloof man. Standing left to right: cousin Sylvia Rosenbaum (age 12), Uncle Max Rosenbaum & Aunt Minnie, cousin Norman Bookbinder’s wife Janis & Norman, Evelyn, Grandma Sarah, Eli, Uncle Paul & Aunt Libby, Harry & Thelma Zalewitz, Grandpa Morris, Dad’s French date & Dad, cousin Sol Bookbinder, cousin Rita Rosenbaum, and again, annoying seated man.