Kaku is a theoretical physicist and science communicator, according to wiki. He’s a popular author who has written three New York Times best-sellers. He’s also a familiar face on television, having hosted specials for the Discovery Channel, Science Channel, History Channel and others. More, from prweb about Kaku’s participation in an upcoming Frederick Speaker Series:
Dr. Michio Kaku is an internationally recognized authority in two areas. The first is Einstein’s unified field theory, which Dr. Kaku is attempting to complete. The other is to predict trends affecting business, commerce, and finance based on the latest research in science. He has written three New York Times Best Sellers, and has 2.3 million Facebook fans and over 330,000 followers on Twitter.