Turing Award goes to Security
Whitfield Diffie and Martin Hellman receive the Turing Award for 2015 with the citation: "Diffie and Hellman’s groundbreaking 1976 paper, “New Directions in Cryptography,” introduced the ideas of public-key cryptography and digital signatures, which are the foundation for most regularly-used security protocols on the Internet today. The Diffie-Hellman Protocol protects daily Internet communications and trillions of dollars in financial transactions." Read more at ACM.
Image taken from ACM web pages.