(Arabic: ميشيو كاكو Russian: Митио Каку Chinese: 加來道雄) Dr. Michio Kaku is an American theoretical physicist at the City College of New York, best-selling author, a futurist, and a communicator and popularizer of science. He has written several books about physics and related topics of science. He has written two New York Times Best Sellers, Physics of the Impossible (2008) and Physics of the Future (2011). Dr. Michio is the co-founder of string field theory (a branch of string theory), and continues Einstein’s search to unite the four fundamental forces of nature into one unified theory. Kaku was a Visitor and Member (1973 and 1990) at the Institute for Advanced Study in Princeton, and New York University. He currently holds the Henry Semat Chair and Professorship in theoretical physics at the City College of New York.