Inventor of public key cryptography (Diffie-Hellman), 2015 Turing Award winner.
Public key cryptography, not only revolutionized cryptography but also underpinned the entire internet commerce, blockchain and cryptocurrency. He joined Sun Microsystems as distinguished engineer and remained as Sun fellow and chief security officer until the spring of 2009. Currently he is a consulting scholar at Center for International Security and Cooperation at Stanford University.
Other notable awards and honors for Diffie:
Fellow of the Royal Society;
Member, National Academy of Engineering;
Honorary doctorate from the Swiss Federal Institute of Technology;
Fellow of the Marconi Foundation;
Doctor of Science (Honoris Causa) by Royal Holloway, University of London;
IEEE Donald G. Fink Prize Paper Award in 1981;
The Franklin Institute’s Louis E. Levy Medal in 1997;
Golden Jubilee Award for Technological Innovation from the IEEE Information Theory Society;
IEEE Richard W. Hamming Medal in 2010.