Guy Blelloch, Laxman Dhulipala, and Julian Shun received the ACM Paris Kanellakis Theory and Practice Award for contributions to algorithm engineering, including the Ligra, GBBS, and Aspen frameworks which revolutionized large-scale graph processing on shared-memory machines.
https://csd.cmu.edu/news/acm-honors-blellochs-work-in-algorithm-engineering