Donald R. Sadoway is the John F. Elliott Professor of Materials Chemistry in the Department of Materials Science and Engineering at the Massachusetts Institute of Technology. His B.A.Sc. in Engineering Science, M.A.Sc. in Chemical Metallurgy, and Ph.D. in Chemical Metallurgy are all from the University of Toronto. He joined the MIT faculty in 1978. The author of over 170 scientific papers and holder of 25 U.S. patents, his research is directed towards the development of rechargeable batteries as well as environmentally sound technologies for metals extraction. He is the founder of two companies, Ambri and Boston Electrometallurgical. Online videos of his chemistry lectures hosted by MIT OpenCourseWare extend his impact on engineering education far beyond the lecture hall. Viewed 1,800,000 times, his TED talk is as much about inventing inventors as it is about inventing technology. In 2012 he was named by Time magazine as one of the 100 Most Influential People in the World.