Science & Nature • Physicist

Michio Kaku

Michio Kaku is a Japanese American theoretical physicist, science communicator, and author known for work in string field theory and for popular science books and media appearances.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 26, 2026|2 min read| Fact-checked

Michio Kaku is a Japanese American theoretical physicist, science communicator, and author known for work in string field theory and popular science media. He is a professor of theoretical physics at the City College of New York and a prominent public advocate for physics and futurism.

Early life and education

Michio Kaku was born in San Jose, California, on January 24, 1947. He earned a Bachelor of Arts from Harvard University and a PhD from the University of California, Berkeley.

Scientific career

Kaku's academic research focuses on theoretical physics, particularly string field theory and efforts to develop a unified theory of fundamental forces. He has held teaching positions at Princeton University and the City College of New York (CUNY).

Popular science writing and media

Kaku is a prominent science communicator who writes books for general audiences and appears in documentaries, television specials, and radio programs. His best-known books include Physics of the Impossible, Physics of the Future, The Future of the Mind, and The God Equation, several of which became New York Times best sellers.

Public profile

Beyond academia, Kaku is widely known as a futurist and popularizer of science. His public work explores speculative technologies, the future of physics, and long-term human civilization, and he has received awards including the Klopsteg Memorial Award and the Sir Arthur Clarke Lifetime Achievement Award.

Key facts

Kaku is a theoretical physicist associated with string field theory.
He has taught at Princeton University and the City College of New York.
He is known for explaining complex physics topics to general audiences through books and television.
Several of his books became New York Times best sellers.
He has received awards including the Klopsteg Memorial Award and the Sir Arthur Clarke Lifetime Achievement Award.

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Canadian context

Michio Kaku is a widely read science writer and media personality in Canada, where his books and television appearances have helped popularize physics and futurism among general audiences.

Frequently asked questions

Who is Michio Kaku?

Michio Kaku is a Japanese American theoretical physicist, professor, author, and science communicator known for string field theory and popular science writing.

What is Michio Kaku known for?

He is known for theoretical physics research, especially string field theory, and for explaining science to broad audiences through books and media.

Where does Michio Kaku teach?

He is a professor of theoretical physics at the City College of New York (CUNY).

What did Michio Kaku study?

He earned a BA from Harvard University and a PhD from the University of California, Berkeley.

What are some of Michio Kaku’s best-known books?

His best-known books include Physics of the Impossible, Physics of the Future, The Future of the Mind, and The God Equation.

Has Michio Kaku appeared on television?

Yes. He has hosted or appeared in television specials and science programs on channels including the BBC, Discovery Channel, History Channel, and Science Channel.

References

City College of New York — https://www.ccny.cuny.edu/profiles/michio-kaku
Supports: Current faculty position and brief professional biography.
Official website of Michio Kaku — https://mkaku.org/home/about/
Supports: Professional overview, scientific focus, and role as co-founder of string field theory.
Wikipedia — https://en.wikipedia.org/wiki/Michio_Kaku
Supports: Birth date and place, education, notable books, media appearances, and awards.
American Physical Society — https://www.aps.org/careers/profiles/michio-kaku
Supports: Career background, teaching positions, science communication, and books.