Sprung Monuments, 1962. Sprung Monuments, a cemetery monument and gravestone company, was established in the mid 1920s by Bella and Isidore Sprung. In the years after the Second World War, their son, Hy opened the showroom seen here on Queens Boulevard. Today that showroom remains open, the business has expanded to locations on Long Island, and it is run by the grand children of its founders.