The location here is the Los Alamos National Laboratory where Harry Kaghlian was irradiated (the Omega reactor no longer exists).

Harry K. Daghlian, Jr.

Haroutune Krikor Daghlian, Jr. (May 4, 1921 – September 15, 1945) was an American physicist with the Manhattan Project who accidentally irradiated himself on August 21, 1945, during a critical mass experiment at the remote Omega Site facility at Los Alamos National Laboratory in New Mexico, resulting in his death 25 days later.

• http://en.wikipedia.org/wiki/Harry K. Daghlian, Jr.