Unsung heroes of Los Alamos:

Rethinking Manhattan Project Spies and the Cold War, MAD — and the 75 years of no nuclear war — that their efforts gifted us

  75 years ago before dawn on July 16, 1945, a cataclysmic explosion shook the New Mexico desert as scientists from the top-secret Manhattan Project tested their nightmarish creation: the first atom bomb, called “the Gadget.” This birth of the Nuclear Age, was quickly followed a few weeks later, first on August 6 by the …