George Butler: George Butler. Producer: The Endurance. George Butler was a director and producer, who created acclaimed documentary features as well as giant screen films including Pumping Iron, The Endurance, Going Upriver: The Long War of John Kerry and Roving Mars. Butler's films screened at over 30 international film festivals and won honors ranging from National Board of Review Best Documentary of the Year (2001, The Endurance), IDA Best Documentary finalist (1990,...
