Abstract
Sato Susumu (1845-1921), the third president of Juntendo, was one of the most famous physicians in the Meiji era. He went to Germany with the first Japanese passport issued by the Foreign Ministry. He was the first medical doctor in Asia to graduate from the Department of Medicine, Berlin University, in 1874. This paper describes his life in Berlin through his autographs and the letters he exchanged with his family.
