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
Unit 731
Unit 731
Masaji Kitano