Ōshio Heihachirō
Ōshio Heihachirō (大塩 平八郎; March 4, 1793 – May 1, 1837) was a Japanese philosopher, revolutionary, writer, and yoriki who led an academy of Wang Yangming school (陽明学, youmeigaku) philosophy in Osaka. Despite his privileged status, he led a brief uprising against corrupt officials in the Tokugawa shogunate.