Kevin Costner

Kevin Costner, an avid environmentalist, started paying a team of scientist to invent the device after the 1989 Exxon Valdez spill in Alaska. He has 300 machines in various sizes. The largest of his machines is able to clean water at a rate of 200 gallons a minute.

http://military.rightpundits.com/2010/05/19/kevin-costner-oil-spill-donation-of-ocean-therapy/