Luis von Ahn, the inventor of reCAPTCHA and co-inventor of CAPTCHA, set out to fight socioeconomic disparities by breaking down barriers to education. He co-founded Duolingo in 2011, a platform bringing free and accessible language-learning to everyone, helping to remove obstacles to social mobility across the globe. Von Ahn received the Lemelson-MIT Prize in 2018 for his groundbreaking inventions, commitment to youth mentorship, and dedication to improving the world through technological invention. Learn more about Luis’ pathway to becoming an inventor here.