In which Polish city did Oskar Schindler operate an enamelware factory during WWII?

Brilliant film, but a hard watch

One of the real war heroes!

In the second paragraph it says that 184 professors and academics from a major university were released from the concentration camp only after International protest against the Vatican. I wonder why people were protesting against the Vatican? The Nazi's were the ones that put them in the concentration camp .

World War 2 was really ugly!