This looks absolutely fascinating - a member of the Nazi party visiting China in 1937 is appalled by Japanese actions against Chinese civilians, and does what he can to protect them:
BBC NEWS | World | Asia-Pacific | 'Good Nazi of Nanjing' sparks debate
BBC NEWS | World | Asia-Pacific | 'Good Nazi of Nanjing' sparks debate
Risking his life, Rabe remained in China and, along with a handful of Westerners, set up a "safety zone" in Nanjing that is thought to have prevented the massacre of more than 200,000 Chinese during one of the bloodiest episodes of the Japanese invasion.
As Germany and Japan were allies, Rabe used his Nazi party membership to do all he could to protect civilians in the zone - including 650 sheltering refugees in his own house and garden.
With a flash of his swastika armband and through sheer force of personality, he intervened in acts of looting and attempted rape by the Japanese troops.
The diaries of this unlikely and unsung hero only became public knowledge in the late 1990s, when they were published in Germany. They have now been made into a film, simply titled John Rabe.