Staff at Camp Massad, whose first location was in New York, pose for a photo in 1941.Camp Massad via Wikimedia Commons Jonathan Krasner, Brandeis University In 1902, 10-year-old Isidore Itzkowitz accepted a scholarship to attend an overnight camp in upstate New York. “Izzy,” an orphan raised by his grandmother in a dingy tenement-house basement, fit the profile of children the Educational Alliance, a settlement house, was looking to help. The animating idea of its camp was to take working-class Jewish boys off the hot and congested Lower East Side streets and introduce them to “the great outdo…