Buckminster Fuller was hailed as a modern Leonardo da Vinci. As the polymathic futurist best known for the geodesic dome, he enthralled a vast popular audience. Using a design strategy based on geometry, he was convinced that it was possible to provide for all humanity through the efficient use of planetary resources. From Epcot Center to the molecule named in his honor as the buckyball, Fuller's legacy endures to this day, and his belief in the transformative potential of technology influenced the founders of Silicon Valley. Critically acclaimed author Alec Nevala-Lee tells the sweeping story of Fuller's life and work, which extended from World War I through the digital revolution. In a time of unprecedented transformation, Fuller remains enormously relevant, and his lessons for designers, activists, and innovators are as powerful and essential as ever.