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Oppenheimer's best-known scientific contribution was to suggest a limit to the size of neutron stars. Larger neutron stars would collapse into [[black holes]] according to the theory of relativity.   

Oppenheimer's best-known scientific contribution was to suggest a limit to the size of neutron stars. Larger neutron stars would collapse into [[black holes]] according to the theory of relativity.   

Oppenheimer lived in Berkeley, [[California]], and socialized with close [[communism|communist]] friends.  When Oppenheimer opposed development of the [[hydrogen bomb]] in the 1950s, an investigation into whether he lied about his communist connections resulted in the revocation of his security clearance.<ref>http://www.yale.edu/lawweb/avalon/abomb/opp06.htm</ref>  This infuriated [[liberal]]s who then never forgave [[conservative]] scientists like [[Edward Teller]] for having testified against Oppenheimer, even though Teller was not cited in the decision to revoke Oppenheimer's security clearance.

Oppenheimer lived in Berkeley, [[California]], and socialized with close [[communism|communist]] friends.  When Oppenheimer opposed development of the [[hydrogen bomb]] in the 1950s, an investigation into whether he lied about his communist connections resulted in the revocation of his security clearance.<ref>http://www.yale.edu/lawweb/avalon/abomb/opp06.htm</ref>  This infuriated [[liberal]]s who then never forgave [[conservative]] scientists like [[Edward Teller]] for having testified against Oppenheimer, even though Teller was not cited in the decision to revoke Oppenheimer's security clearance {{fact}}.

Oppenheimer helped [[Congress]] draft the first laws covering the use and control of atomic energy.

Oppenheimer helped [[Congress]] draft the first laws covering the use and control of atomic energy.