Jeremiah, Ezekiel, and Daniel were all prophets, but each had a particular and peculiar ministry to a certain group of people, and apparently they never came into contact with each other. From the record in the Book of Daniel you would not gather that Daniel ever visited his people in Babylon where Ezekiel was; yet he had a great concern for them and he actually defended them. But did Daniel and Jeremiah know each other? Well, we know from his book that Daniel was acquainted with the prophecies of