The Dempster Dumpster Evolution George Roby Dempster, the dumpster's original inventor, was a mayor of Knoxville who undertook experience with hauling city wastes through his building and construction business. He used his understanding of heavy machinery to develop a more useful method of collecting, transferring, and disposing of debris, http://troytxgrf.digiblogbox.com/25433558/who-invented-the-roll-off-dumpster