Michio Kaku is the co-founder of String Field Theory and is the author of international best-selling books such as Hyperspace, Visions, and Beyond Einstein. Michio Kaku is the Henry Semat Professor in Theoretical Physics at the City University of New York. Photo by Cristiano Sant´Anna/indicefoto.com for campuspartybrasil [CC BY-SA 2.0 (http://creativecommons.org/licenses/by-sa/2.0)], via Wikimedia Commons.