The Safe Side of the Fence (2015) 2015, Documentary, United States The Safe Side of the Fence (2015) Duration: 1H48M Description: World War II’s Manhattan Project required the refinement of massive amounts of uranium, and St. Louis-based Mallinckrodt Chemical Works took on the job. As a result, the chemical company’s employees would become some of the most c….. Trailer ↗ United States 2015 Documentary