Quantum Cryptography Pioneers Win Turing Award

Introduction One afternoon in October 1979, Gilles Brassard was swimming outside a beachfront hotel in San Juan, Puerto Rico, when a stranger swam up to him and changed the course of his career. Without so much as an introduction, the man began describing a way to create currency that couldn’t be forged. The scheme was based on the laws of quantum physics — a subject Brassard, a computer scientist, knew nothing about. “I was trapped, so I listened politely,” Brassard said. Doubt soon turned to..