Indian-born Loganathan was a lecturer at the Department of Civil and Environmental Engineering. His brother G.V. Palanivel told the NDTV news channel from the southern Indian state of Tamil Nadu: "We all feel like we have had an electric shock, we do not know what to do." Palanivel added: "He has been a driving force for all of us, the guiding force."
Loganathan, who was born in the southern Indian city of Chennai, had been at Virginia Tech since 1982.
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