RadioActive He was a veteran with four months to live. This is how he restored Hamm Creek If you knew that you only had four months to live, what would you do? After suffering three heart attacks, John Beal was told that he was going to die. He decided to use the rest of his life to clean up Hamm Creek, an offshoot of the Duwamish River so polluted the water was yellow. That decision changed the course of John's life and transformed Hamm Creek.