On the Trail of a Fourth Soviet Spy at Los Alamos

Three Soviet spies in the Manhattan Project are well known – Klaus Fuchs, David Greenglass, and Ted Hall. Fuchs and Greenglass were known publicly in the 1950s, but Hall’s story came out only in the 1990s.

Now more documents have been declassified, and Harvey Klehr and John Earl Haynes, who have done much to illuminate Soviet spying during that time, have found a fourth Soviet spy. They have found his path from the United States to East Germany and then Russia in 1952, escaping from possible arrest. Their article in the CIA’s “Studies in Intelligence” lays out what is known about him.

The spy’s name is Oscar Seborer. His story intersects with the FBI’s Project SOLO, in which they turned two members of the Communist Party in the USA. Their communications with Moscow seem to indicate that Seborer furnished information on the atomic bomb project, where he was a technician.

Seborer seems to have operated separately from the other spies, and his reporting seems to have been more to the GRU (Soviet military intelligence) than the civilian KGB. The two intelligence agencies have historically competed.

Klehr and Haynes have uncovered a fair bit of information about Seborer’s family, but not much about what he did at Los Alamos or what information he gave to Moscow. Maybe someone reading this knows something about the Seborer family or, as they called themselves in Russia, the Smiths.

 

Cross-posted at Balloon Juice.

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