A “good Nazi”: Hero of Nanking: John Rabe:
Trailer for the movie: https://www.youtube.com/watch?v=Eic4y6DI5Ec
Iris Chang, a great historian, who wrote the English language book on the Japanese rape of Nanking: https://www.youtube.com/watch?v=qKWDr4K7V3I Sadly, Chang killed herself at age 36 leaving behind a husband and a two year old son. A really sad story. One of the things that lead to her depression was what she had discovered in her research on the rape of Nanking.