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The first organized transhumanist movement, built around a set of optimistic principles for self-directed human transformation and dissolved as an institution in 2006.
Extropianism is the first organized transhumanist movement, formulated in California in the late 1980s around a set of principles favouring perpetual self-improvement, rational optimism, decentralized order, and the deliberate use of technology to overcome biological limits. Its institutional life was short — the Extropy Institute closed in 2006 — but its mailing list functioned as an incubator for a set of ideas and people that went on to shape AI risk research, cryptocurrency, and the modern longevity industry.
"Extropy" was coined as an informal antonym of entropy: a measure of a system's intelligence, functional order, vitality, and capacity for improvement. Its authors were explicit that it is not a physical quantity and not measurable, and warned against treating it as one.1 The term functioned as a banner rather than a concept, signalling that the movement's orientation was toward growth and organization in a universe that tends the other way.
Max More, then a philosophy graduate student who had changed his name from Max O'Connor, and Tom Bell, writing as T. O. Morrow, launched Extropy: The Journal of Transhumanist Thought in 1988. Its early issues collected material on Cryonics, nanotechnology as Eric Drexler had described it, Nootropics, space settlement, artificial intelligence, and libertarian political economy — a combination that had existed as scattered enthusiasms and had not previously been given a name and a coherent philosophy.
More's 1990 essay "Transhumanism: Toward a Futurist Philosophy" articulated the position as a philosophy of life rather than a technology forecast, and set out the first version of the principles.2 The Extropy Institute was incorporated in 1992 as a nonprofit to run conferences and publish the journal. Its meetings, held through the 1990s, were among the first venues where cryonicists, AI researchers, nanotechnology advocates, and life-extension proponents met as a single community. Ed Regis's 1994 Wired profile brought the group to a general readership, and fixed a public image — chosen names, self-experimentation, and a taste for the ninety-ninth percentile of technological optimism — that the movement never entirely shed.3
The Principles of Extropy went through several revisions between 1990 and 2003. The final version listed seven: perpetual progress, self-transformation, practical optimism, intelligent technology, open society (information and democracy), self-direction, and rational thinking.4 Earlier versions included "boundless expansion", "dynamic optimism" and "spontaneous order", the last drawn directly from Friedrich Hayek.
The principles were framed as an attitude to be adopted rather than propositions to be verified, and the documents said so. Several are worth distinguishing because they became points of divergence within transhumanism:
More's proactionary principle, drafted in 2004, extended this into risk policy: it asks decision-makers to weigh the costs of restricting a technology, including the lives lost to its absence, against the costs of permitting it, rather than treating inaction as the default safe option.
TerminologyExtropianism is not a synonym for transhumanism. It is one movement within it, distinguished by an explicit libertarian politics and a stated attitude of optimism. Later transhumanist organizations such as Humanity+ were founded partly to separate the broader philosophical position from these commitments.
The extropians email list, running from 1991, mattered more than the institute. It was a small, high-volume forum with an unusual concentration of people who later became consequential in separate fields.
Participants included Nick Bostrom and Anders Sandberg, who carried the Existential risk and Whole brain emulation research programmes into academia; Eliezer Yudkowsky, whose arguments about AI risk grew out of and then against the list's optimism; the economist Robin Hanson; Ray Kurzweil and Drexler as occasional presences; and the cryptographers Hal Finney, Nick Szabo and Wei Dai. Szabo's bit gold and Dai's b-money proposals, both direct antecedents of Bitcoin, were circulated in this milieu, and Finney received the first Bitcoin transaction and was later cryopreserved at Alcor Life Extension Foundation.
This concentration is the strongest claim extropianism has on historical attention. A list with a few hundred subscribers produced, within twenty years, the intellectual seeds of contemporary AI safety research, of cryptocurrency, and of a substantial part of the life-extension funding ecosystem.
The Extropy Institute closed in 2006. Its board's stated reason was that the mission had succeeded: the ideas no longer needed an advocacy organization because they had entered general circulation. A less generous reading is that the institute had been overtaken. The World Transhumanist Association, founded in 1998 by Bostrom and David Pearce and later renamed Humanity+, offered an academically credentialed and politically neutral version of the same programme, and drew both members and legitimacy away from a body with an explicit libertarian identity.
More went on to lead Alcor for most of the 2010s. Natasha Vita-More, who had developed a parallel strand of transhumanist art and body design and who married More, took leadership roles in Humanity+ and edited the movement's principal anthology.5
The ideas dispersed rather than died. Contemporary Effective accelerationism restates practical optimism and the proactionary principle in the vocabulary of thermodynamics and startup culture, largely without acknowledging the lineage. Grinder subculture inherited self-transformation as a physical practice. Singularitarianism took the technology forecast and dropped the politics. The posthuman end-state that extropian writing described is now discussed mainly in bioethics, where it is treated as a claim to be evaluated rather than a goal to be pursued.
Three lines of criticism have held up.
The first is that the movement's optimism was a stance rather than a conclusion, and that stating this openly does not immunize it. Deciding in advance to expect good outcomes is a poor procedure for estimating probabilities, and the extropian forecast record — nanomedicine, Mind uploading, and radical life extension all expected within decades — reflects it.
The second is political. Bioconservative critics and left-leaning transhumanists agreed, from opposite directions, that a movement combining private enhancement with hostility to regulation had no account of who would be left behind. The Access and inequality problem was visible in extropian writing mainly as an objection to be rebutted. James Hughes's argument for a democratic transhumanism was written explicitly against this tendency.
The third is that "extropy" itself never did any work. Presented as the movement's organizing concept, it turned out to be a mood rather than a measure, and the documents defining it conceded the point.
Extropianism's significance is as a social formation rather than a body of theory. It assembled, named, and networked a set of positions that had previously been separate hobbies, and it did so early enough that the people it assembled were still young. Judged by its own principles it failed: the technologies it anticipated arrived slowly or not at all, and the institution dissolved. Judged by the second-order question of which conversations it started, its influence on AI risk, digital currency and longevity funding is out of all proportion to its size — which raises the harder question of whether the small, self-selected online community remains an efficient way to originate ideas, or whether that was a feature of a particular decade of the internet.
statementMore, M. "The Extropian Principles: A Transhumanist Declaration," version 3.0, Extropy Institute, 1998. ↩
paperMore, M. "Transhumanism: Toward a Futurist Philosophy." Extropy, 1990.↩Published in the movement's own journal rather than an academic venue, and framed as a stance to adopt rather than a claim to test.
newsRegis, E. "Meet the Extropians." Wired, October 1994. ↩
statementMore, M. "Principles of Extropy," version 3.11, Extropy Institute, 2003. ↩
bookMore, M. and Vita-More, N. (eds.) The Transhumanist Reader. Wiley-Blackwell, 2013. ↩