Charles Rackoff
Charles Rackoff was born in New York City. He attended MIT as an undergraduate and graduate student, receiving a PhD in Computer Science in 1974. He joined the University of Toronto Computer Science Dept. in 1974. His like things computer complexity. For a long time he has been specialized in Cryptography, Security, and Security protocols. He was a co-starter of the important concepts of "interactive proofs" and "zero-knowledge proofs", he co-won the 1993 Gödel Prize.