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''Last and First Men: A Story of the Near and Far Future'' is a "future history" science fiction novel written in 1930 by the British author Olaf Stapledon. A work of unprecedented scale in the genre, it describes the history of humanity from the present onwards across two billion years and eighteen distinct human species, of which our own is the first. Stapledon's conception of history is based on the Hegelian Dialectic, following a repetitive cycle with many varied civilisations rising from and descending back into savagery over millions of years, but it is also one of progress, as the later civilisations rise to far greater heights than the first. The book anticipates the science of genetic engineering, and is an early example of the fictional supermind; a consciousness composed of many telepathically-linked individuals. In 1932, Stapledon followed ''Last and First Men'' with the far less acclaimed ''Last Men in London''. His other novel, ''Star Maker'' (1937), could also be considered a sequel to ''Last and First Men'' (mentioning briefly man's evolution on Neptune), but is even more ambitious in scope, being a history of the entire universe. It is the 11th title in the SF Masterworks series. == Human species == * First Men. (Chapters 1–6) Our own species: rivalries of nation-states in Europe, the rivalry of America and China, the First World State, its destruction as a result of using up all natural resources, followed by the Patagonian Civilization 100,000 years hence, with the cult of Youth, and its destruction after the sabotage of a mine which leads to a colossal subterranean atomic explosion and the ensuing intercontinental nuclear holocaust, rendering most of the Earth's surface uninhabitable for millions of years save for the poles and the northern coast of Siberia. The only survivors are thirty-five humans stationed at the North Pole, who eventually split up into two separate species, the Second Men and some sub-humans. * Second Men. (Chapters 7– 9) "Their heads, indeed, were large even for their bodies, and their necks massive. Their hands were huge, but finely moulded...their legs were stouter...their feet had lost their separate toes...blonde hirsute appearance...Their eyes were large, and often jade green, their features firm as carved granite, yet mobile and lucent. ...not till they were fifty did they reach maturity. At about 190 their powers began to fail..." Unlike our species, egotism is virtually unknown to them. At the acme of their highly advanced civilisation, just as they are about to create a superior human species by genetic engineering, a protracted war with the Martians finally ends with the Martians extinct and the Second Men gone into eclipse. *Third Men. (Chapter 10) "Scarcely more than half the stature of their predecessors, these beings were proportionally slight and lithe. Their skin was of a sunny brown, covered with a luminous halo of red-gold hairs... golden eyes... faces were compact as a cat's muzzle, their lips full, but subtle at the corners. Their ears, objects of personal pride and of sexual admiration, were extremely variable both in individuals and in races. ... But the most distinctive feature of the Third Men was their great lean hands, on which were six versatile fingers, six antennae of living steel." Deeply interested in music and in the design of living organisms. *Fourth Men. (Chapter 11) Giant brains, built by the Third Men. For a long time they help govern their creators, but eventually come into conflict. After reducing the Third Men to the status of lab animals, they eventually reach the limits of their scientific abilities. *Fifth Men. (Chapters 11–12) An artificial human species designed by the brains. "On the average they were more than twice as tall as the First Men, and much taller than the Second Men... the delicate sixth finger had been induced to divide its tip into two Lilliputian fingers and a corresponding thumb. The contours of the limbs were sharply visible, for the body bore no hair, save for a close, thick skull-cap which, in the original stock, was of ruddy brown. The well-marked eyebrows, when drawn down, shaded the sensitive eyes from the sun." After clashing with and finally eliminating the Fourth Men, they develop a technology greater than Earth had ever known before. When Earth ceases to be habitable, they terraform Venus, committing genocide on its marine native race which tries to resist them – but do not cope well after the move. *Sixth Men. (Chapter 13) "Sadly reduced in stature and in brain, these abject beings... gained a precarious livelihood by grubbing roots upon the forest-clad islands, trapping the innumerable birds, and catching fish... Not infrequently they devoured, or were devoured by, their seal-like relatives." After tectonic changes provide them with a promising land mass, they fluctuate like the First Men and repeat all their mistakes. *Seventh Men. Flying humans, "scarcely heavier than the largest of terrestrial flying birds", are created by the Sixth Men. After 100 million years, a flightless pedestrian subspecies appears which re-develops technology. *Eighth Men. "These long-headed and substantial folk were designed to be strictly pedestrian, physically and mentally." When Venus becomes uninhabitable, about to be destroyed along with the entire inner solar system, they design the Ninth Men, who will live on Neptune. *Ninth Men. (Chapter 14) "Inevitably it was a dwarf type, limited in size by the necessity of resisting an excessive gravitation... too delicately organized to withstand the ferocity of natural forces on Neptune... civilization crumbled into savagery." From there, savagery sinks further into brutedom. *Tenth to Thirteenth Men. (Chapter 14) "Nowhere did the typical human form survive." About three hundred million years after the colonization of Neptune, a rabbit-like species evolves into the Tenth Men. The Tenth Men are sentient but primitive. After a plague wipes out the Tenth Men, several other primitive human species rise and fall. *Fourteenth Men. (Chapter 14). The Fourteenth Men are psychologically similar to the First Men, and their history has much in common with that of the First Men. *Fifteenth to Seventeenth Men. The Fifteenth and Sixteenth achieve a great civilisation and learn to study past minds. (These species are essentially Neptunian versions of the Second and Fifth Men, respectively.) It is not until the Sixteenth Men, the first of the Neptunian artificial species, that the cycle of rise and collapse of civilisation is finally ended, and steady progress takes its place. The Sixteenth Men, frustrated by their inability to improve their civilisation, decide that their nature is insufficiently advanced to produce a truly perfect community, and create an artificial species, the Seventeenth Men, to succeed them; however, the Seventeenth Men are "flawed" in some unspecified way, unimagined by the 16th due to their lesser awareness, and last only a short period of time before being replaced by the Eighteenth Men, essentially a more perfect version of their own species. *Eighteenth Men. (Chapters 15–16) The most advanced humans of all. A race of philosophers and artists with a very liberal sexual morality. "Superficially we seem to be not one species but many." (One interesting aspect of the Eighteenth Men is that they have a number of different "sub-genders," variants on the basic male and female pattern, with distinctive temperaments. The Eighteenth Men's equivalent of the family unit includes one of each of these sub-genders and is the basis of their society. The units have the ability to act as a group mind, which eventually leads to the establishment of a single group mind uniting the entire species.). This species no longer died naturally, but only by accident, suicide or being killed. Despite their hyper-advanced civilisation, they practice ritual cannibalism.〔Chapter 15, subchapter 1: "()henever a human being has chosen to die, his body is ceremoniously eaten by his friends".〕 They are eventually extinguished on Neptune after a supernova infects the sun, causing it to grow so hot that it consumes the remains of the solar system, faster than any means of escape they can devise. Unable to escape, this last species of man devises a virus to spread life to other worlds and cause the evolution of new sentient species throughout the galaxy. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Last and First Men」の詳細全文を読む スポンサード リンク
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