Rabbi Leo Baeck has been revered as one the greatest Jewish figures of the twentieth century. He is praised for his theological genius, moral and ethical character, and his leadership during the Nazi era. He has not, however, been unanimously held in such high esteem. Leo Baeck has been criticized for withholding information from Jews in Germany and in the Theresienstadt ghetto about the transports to the east, which he knew were destined for Auschwitz. This study looks at what exactly Leo Baeck knew about the transports, and why he chose to keep his knowledge a secret..