[1] was a Japanese war criminal turned peace activist.
Tominaga served in Manchuria during the Second Sino-Japanese War. In that time, he participated in many war crimes.[2] He served with the 39th Division, based in Hiroshima, and from July 1941 onward served in Central China.[3] Tominaga was captured during the Soviet invasion of Manchuria in 1945. As with many other Japanese prisoners of war in the Soviet Union, he was interred in a harsh POW camp in Siberia. In 1950, he was handed over to People's Republic of China.[4]
Tominaga was released in 1957 and returned to Japan.[5] That same year, he co-founded a peace activist group[1]
In 2001, shortly prior to his death, he participated in the Japanese documentary film Japanese Devils (Riben guizi).[6]