Liviu Librescu

JERUSALEM - The e-mails from grateful students arrived soon after Liviu Librescu was shot to death, telling how the Holocaust survivor barricaded the doorway of his Virginia Tech classroom and saved their lives at the cost of his own.
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"My father blocked the doorway with his body and asked the students to flee," Librescu's son, Joe Librescu, said Tuesday in a telephone interview from his home outside Tel Aviv. "Students started opening windows and jumping out."