contemporary history US DE 1939 immigration and emigration

Growing up my father rarely talked about his past and I really did not have much interest in asking him about it. He did say he was ransomed out of Germany during the Nazi reign of terror in the 1930's by a Hollywood producer and was a tutor to the producer's son teaching him Hebrew since in Germany he was a Hebrew teacher and a Cantor. My father passed away when I was 20 and my mother passed away...