Mansoureh Karami, left, widow of Masoud Ali Mohammadi, a Tehran University physics professor, and Behjat Qasemi, widow of Majid Shahriari, a nuclear scientist, whose husbands were killed in bomb ... more 
Mansoureh Karami, left, widow of Masoud Ali Mohammadi, a Tehran University physics professor, and Behjat Qasemi, widow of Majid Shahriari, a nuclear scientist, whose husbands were killed in bomb attacks last year, attend a conference commemorating Iranian government officials who have been assassinated after 1979 Islamic Revolution, in Tehran, Iran, Tuesday, Sept. 6, 2011. Tehran University physics professor Masoud Ali Mohammadi was killed by a bomb-rigged motorcycle that exploded outside his house as he was leaving for work in January 2010. In November 2010, a pair of bomb attacks in Tehran killed nuclear scientist Majid Shahriari and wounded another nuclear scientist. (AP Photo/Vahid Salemi) less 
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Associated Press | Photo By Vahid Salemi
Tue, Sep 6, 2011 10:15 AM EDT