By the fall of 1980, it was not just Bateson and Mead who had died. So, too, had the ideas that inspired and drove the first generation of psychedelic science. Yet something of their sense of science as transformative and redemptive—and yes, even utopian—did survive. In September 1980, for instance, two months after Bateson’s death, Carl Sagan and his wife, Ann Druyan, premiered the first episode of their television documentary Cosmos. In the years to come, it would go on to be viewed by over five hundred million people, a sizable percentage of the world’s population. “So much of what we
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