Mindwalk is a 1990 feature film directed by Bernt Amadeus Capra, based on his own short story, based in turn on the book The Turning Point by his brother Fritjof Capra, the author of the book The Tao of Physics.The majority of the movie is a conversation among three characters: a Norwegian scientist, Sonia Hoffman (played by Liv Ullmann), "the only woman in my department, the first in Norway doing quantum field theory"; an American politician and former presidential candidate, Jack Edwards (played by Sam Waterston); and poet Thomas Harriman (played by John Heard), a former political speechwriter, as they wander around Mont Saint-Michel, France.