Existing comment:
MANHATTAN PROJECT COVER
circa 1944
While General Leslie Groves, physicist Dr. J. Robert Oppenheimer, and others developed the atomic bomb at Los Alamos, New Mexico, they sent and received their mail from several secret addresses, including one in nearby Santa Fe -- PO Box 1663. The Los Alamos Laboratory is now a National Historical Park.
In the 1940s, people working at the Manhattan Project had to enter through the Los Alamos Project Main Gate, where guards checked passes that allowed access to the mesa. |