Luis von Ahn is a Guatemalan entrepreneur, software developer, and consulting professor in the Computer Science Department at Carnegie Mellon University in Pittsburgh, Pennsylvania. He is known as one of the pioneers of crowdsourcing. He is the founder of the company reCAPTCHA, which was sold to Google in 2009, and the co-founder and CEO of Duolingo.
Von Ahn at Wikimania 2015
Carnegie Mellon School of Computer Science
The School of Computer Science (SCS) at Carnegie Mellon University in Pittsburgh, Pennsylvania, US is a school for computer science established in 1988. It has been consistently ranked among the top computer science programs over the decades. As of 2022 U.S. News & World Report ranks the graduate program as tied for second with Stanford University and University of California, Berkeley. It is ranked second in the United States on Computer Science Open Rankings, which combines scores from multiple independent rankings.
SCS at Carnegie Mellon
The Gates-Hillman Complex, home to Carnegie Mellon University's School of Computer Science.
Gates and Hillman Centers
The Randy Pausch memorial bridge has LEDs that glow different colours at night.