Shinichiro Tomonaga , usually cited as Sin-Itiro Tomonaga in English, was a Japanese physicist. He shared the 1965 Nobel Prize in Physics with Richard Feynman and Julian Schwinger "for their fundamental work in quantum electrodynamics (QED), with deep-ploughing consequences for the physics of elementary particles". The Nobel Prize in Physics 1965, announced October 21, 1965. Sin-Itiro Tomonaga, Julian Schwinger, and Richard P. Feynman, “for their fundamental work in quantum electrodynamics, with deep-ploughing consequences for the physics of elementary particles”. Sin-Itiro Tomonaga: born 1906, Kyoto, Japan. Julian Schwinger: born 1918, New York, NY, USA. Richard P. Feynman: born 1918, New York, NY, USA. Wiki link Wiki link Wiki link Data: the Nobel Foundation (CC0).