Luis von Ahn Flickr/PopTech Role: Professor at Carnegie Mellon University, and…


Luis von Ahn Flickr/PopTech Role: Professor at Carnegie Mellon University, and creator of Duolingo Age: 33 The Carnegie Mellon University professor is responsible for making learning a new language cheaper and more efficient than other means of learning with his language learning app, Duolingo. When the app came out for iPhone last year, it quickly became one of the top education apps in the app store;



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