Tim Roughgarden (Stanford) and Eva Tardos will receive the 2012 Godel Prize for outstanding papers in theoretical computer science at the International Colloquium on Automata, Languages and Programming (ICALP), July 9-13, in Warwick, UK. ACM's Special Interest Group on Algorithms and Computation Theory (SIGACT) together with the European Association for Theoretical Computer Science (EATCS) will recognize three groups of researchers for their contributions to understanding how selfish behavior by users and service providers impacts the behavior of the Internet and other complex computational systems.