Photo SpecialVirginia Tech Tragedy: The Lives Lost

From the freshman with a "luminous smile" to the hero Holocaust survivor who helped save his students' lives, see the portraits of the victims

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MATTHEW GWALTNEY, 24

Gwaltney was part of a sports-loving trio of pals including Ricky Castles and victim Brian Bluhm. "He'd joke with you and was definitely a good guy to be around," Castles says of the civil and environmental engineering grad student. Originally from Chester, Va., Gwaltney also had a passion for teaching. Castles said of his friend, "I think his students really enjoyed his class."

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