In this interview Yoichiro Nambu discusses his life and career in physics. Topics discussed include: family background, early education in Japan, interest in physics, University of Tokyo, Shinichiro Tomonaga, Yoshio Nishina, interest in particle physics, Ziro Koba, Giichi Iwata, Lamb shift, Mitsuo Taketani, Shoichi Sakata, strange particles, Osaka City University, Satio Hayakawa, Yoshio Yamaguchi, Toichiro Kinoshita, many-body physics, Yukawa Institute for Theoretical Physics, Institute for Advanced Study, Satosi Watanabe, Boris Jacobson, Laurie Brown, University of Chicago, Green's functions, string theory, Rochester Confrences.