Mitsumasa Yonai

was a Japanese navy officer and politician. He was an admiral in the Imperial Japanese Navy. He was the Prime Minister of Japan in 1940.

Yonai suffered from high blood pressure most of his life, but died of pneumonia on 20 April 1948 at the age of 68.

References

Other websites
 Annotated bibliography for Mitsumasa Yonai from the Alsos Digital Library for Nuclear Issues

Category:1880 births
Category:1948 deaths
Category:Prime ministers of Japan
Category:Japanese military people
Category:Deaths from pneumonia