The Visioneers

In 1969, Princeton physicist Gerard O'Neill began looking outward to space colonies as the new frontier for humanity's expansion. A decade later, Eric Drexler, an MIT-trained engineer, turned his attention to the molecular world as the place where society's future needs could be met using self-replicating nanoscale machines. Patrick McCray traces how these visioneers and the communities they fostered blended countercultural ideals with hard science, entrepreneurship, libertarianism and unbridled optimism about the future.