Masaji Kitano ( 北野政次 July 14 , 1894 &ndash; May 17 , 1986 ) was a medical doctor , microbiologist and a lieutenant general in the Imperial Japanese Army . He was the second commander of Unit 731 , a covert biological and chemical warfare research and development unit responsible for some of the most notorious war crimes carried out by Japanese personnel
war crimes carried out by Japanese personnel
Japanese war crimes
Masaji Kitano