Michio Kaku, a theoretical physicist and string theory expert, is one of the most well known scientific commentators in the world. He received his doctorate from the University of California in 1972, and for three decades has held the Henry Semat Chair and Professorship in theoretical physics at the City College of New York.

He hosts radio programs and is frequently seen on television shows and documentaries. He is the author of numerous publications in scientific journals and books, including 'Hyperspace: A Scientific Odyssey through Parallel Universes, Time Warps, and the 10th Dimension,' 'The Future of Humanity,' 'Beyond Einstein: The Cosmic Quest for the Theory of the Universe,' 'Physics of the Impossible,' and 'The Future of the Mind: The Scientific Quest to Understand, Enhance, and Empower the Mind.'