Shinichiro Tomonaga (朝永 振一郎, Tomonaga Shin'ichirō, March 31, 1906 – July 8, 1979), usually known as Sin-Itiro Tomonaga in English, was a Japanese physicist and important in the creation of quantum electrodynamics. For this, he won the Nobel Prize in Physics in 1965 along with Richard Feynman and Julian Schwinger. Tomonaga was born in Tokyo.
Tomonaga died on July 8, 1979 in Tokyo of throat cancer, aged 73.
- For this spelling see: Shigeru Nakayama, Kunio Gotō, Hitoshi Yoshioka (eds.), A Social History of Science and Technology in Contemporary Japan: Road to self-reliance 1952-1959, Trans Pacific Press, 2005, p. 723.
- Schweber, S. S. (1994). QED and the Men Who Made It: Dyson, Feynman, Schwinger, and Tomonaga. Princeton University Press. p. 252. ISBN 9780691033273..
- Hayakawa, Satio (December 1979). "Obituary: Sin-itiro Tomonaga". Physics Today. 32 (12): 66–68. Bibcode:1979PhT....32l..66H. doi:10.1063/1.2995326.[permanent dead link]