Academic Earth is a website launched on March 24, 2009, by Richard Ludlow and co-founders Chris Bruner and Liam Pisano,[1][2] which offers free online video courses and academic lectures from the world's top universities such as UC Berkeley, UCLA, University of Michigan, University of Oxford, Harvard, MIT, Princeton, Stanford, and Yale.[3] It is considered a search engine for full-text scholarly information, with video courses covering around 50 primary subject disciplines[4] ranging from Arts and Design, Astronomy, Biology, Chemistry, Computer Science, Economics, Engineering, English, Entrepreneurship, History, Humanities, Law, Mathematics, Medicine, Philosophy, Physics, Political Science, Psychology, Religion, and Statistics.[5]