Hirata Tosuke
Hirata was born in the Yonezawa Domain, Dewa Province (currently Yamagata Prefecture) as the son of a local samurai. He was sent by the domain to Edo for studies, and subsequently fought in the Boshin War on the side of the Ōuetsu Reppan Dōmei. After the Meiji Restoration, was ordered by the domain to go to Tokyo and study at the Daigaku Nankō (predecessor of Tokyo Imperial University). After graduating, he was a student member of the Iwakura Mission of 1871 along with Makino Nobuaki. He later stayed in Germany to study at Heidelberg University (where he studied politics and international law) and Leipzig University (where he studied commercial law). He is the first Japanese with a doctorate degree.