Aizawa Seishisai

• Born: 1782
• Died: 1863
• Other Names: Aizawa Yasushi
• Japanese: 会沢正志斎 (Aizawa Seishisai)

Aizawa Seishisai, also known as Yasushi, was a scholar of the Mito school and advisor to Tokugawa Nariaki, lord of Mito han. He is most known for his book Shinron ("New Theses"), first published in 1848, which articulated many ideas later taken up by the jôi ("expel the barbarians") movement.

References

• Mitani Hiroshi, David Noble (trans.), Escape from Impasse, International House of Japan (2006), 23.