This page is part of my Twitter Thread Index. Every Sunday, I post a thread on Twitter about a figure from Jewish history and why their work matters. The threads are collected in browsable form in the index.
R. Moshe ben Nachman (Ramban or Nahmanides, 1194–1270) might have lived the quiet life of a Kabbalist in Girona. Instead, he changed Jewish history with his integratory methods, abundant insight, personal leadership & groundbreaking scholarship.