Saul Griffith, Ph.D, is an Australian engineer and inventor. He's been a principal investigator on research projects for NASA, Advanced Research Projects Agency–Energy, the Nationa...view moreSaul Griffith, Ph.D, is an Australian engineer and inventor. He's been a principal investigator on research projects for NASA, Advanced Research Projects Agency–Energy, the National Science Foundation and US Special Operations Command. He was awarded the MacArthur "Genius Grant" in 2007. His most recent book is The Big Switch: Australia's Electric Future.view less