A resemblance in shape between Tinian and Manhattan had inspired the SeaBees to name the island’s roads for New York City streets.2481 The 509th happened to be lodged immediately west of North Field at 125th Street and Eighth Avenue, near Riverside Drive, in Manhattan, the environs of Columbia University where Enrico Fermi and Leo Szilard had identified secondary neutrons from fission: the wheel had come full circle.
