Wikipedia: http://en.wikipedia.org/wiki/Virgil_D._Gligor
Interview on the Silver Bullet Podcast: http://www.cigital.com/silver-bullet/show-037/

Cyber Security Hall of Fame: https://www.cybersecurityhalloffame.com/content/home/Cyber-Security-Hall-Of-Fame

From notes on his induction into the Cyber Security Hall of Fame, 2019: https://www.cerias.purdue.edu/site/blog/post/cyber_security_hall_of_fame_2019_inductees/

"Virgil Gligor , a professor at Carnegie Mellon University who has made fundamental contributions in applied cryptography, distributed systems, and cybersecurity. Other subjects that he has worked on include covert channel analysis, access control mechanisms, intrusion detection, and DoS Protection."