Leni Riefenstahl was a German filmmaker, actress, and dancer who is best known for her groundbreaking documentary films about the Nazi regime. She was born in 1902 and began her career as a dancer before transitioning to film. Her most famous works include the documentary 'Triumph of the Will' and the feature film 'The Blue Light'. She also directed the controversial film 'Olympia', which documented the 1936 Summer Olympics in Berlin. Her work has been both praised and criticized for its political content. Riefenstahl died in 2003 at the age of 101.