The term 'An Inconvenient Truth' Author can be answered with two solutions: GORE (4 letters) and ALGORE (6 letters). GORE is the surname of former Vice President Al GORE, who is the author of the 2006 documentary film An Inconvenient Truth. Al GORE is an American politician and environmental activist who served as the 45th Vice President of the United States from 1993 to 2001 under President Bill Clinton. He is also the recipient of the Nobel Peace Prize in 2007 for his work in climate change activism.