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'''Theodore Alvin Hall''' (1925-1999) was a teenager hired to work on the [[Manhattan Project]], who passed top-secret details about the "[[Fat man]]" plutonium bomb to the [[Soviet Union]].

'''Theodore Alvin Hall''' (1925-1999) was a teenager hired to work on the [[Manhattan Project]], who passed top-secret details about the "[[Fat man]]" plutonium bomb to the [[Soviet Union]].

Hall was a [[physics]] prodigy who graduated [[Harvard]] at age 18, where he had become a good friend of another [[communist]] sympathizer.  On a vacation back in [[New York]], he visited the Soviet consulate and initiated contact to pass atomic secrets.

Hall was a [[physics]] prodigy who graduated [[Harvard]] at age 18, where he had become a good friend of another [[communist]] sympathizer.  On a vacation back in [[New York]], he visited the Soviet consulate and initiated contact to pass [[atomic]] secrets.

Hall was never charged with his crime, creating a mystery that continues to this day.  The official explanation for the decision not to prosecute him has been released.<ref>http://cryptome.org/fbi-nsa.htm#IV.B</ref>

Hall was questioned by the [[FBI]] in 1951 but wasn't charged due to FBI decision that the [[Venona project]] would be [[inadmissible]] [[hearsay]] and not worth compromising the program.<ref>[http://cryptome.org/fbi-nsa.htm FBI memo, Belmont to Boardman, February 1, 1956]</ref>

Hall switched to [[biology]] after the Manhattan Project and eventually settled in [[England]].

Hall switched to [[biology]] after the Manhattan Project and eventually settled in [[England]].

== References ==

== References ==

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[[Category:KGB Agents and Sources]]

[[Category:KGB Agents and Sources]]