An excerpt from Richard Milner's book "Darwin's Universe: Evolution from A to Z" (University of California Press, 2009) can be downloaded here:- http://ncse.com/news/2010/08/chance-to-explore-darwins-universe-005913 It includes one of the very best 'capsule biographies' of Wallace I have seen, which I have copied below. If the rest of the book is as good as this then it would be well worth buying!
"WALLACE , ALFRED RUSSEL (1823–1913)
Codiscoverer of Natural Selection
After publication of the Origin of Species in 1859, evolution by natural selection, biology’s great unifying concept, became famous as “Darwin’s theory.” First announced and published jointly the previous year, it is actually the Darwin-Wallace theory. Nevertheless, Charles Darwin often called it “my theory,” while Alfred Russel Wallace, his partner and coauthor, graciously insisted, “It [is] actually yours and yours only.”
Wallace carried modesty to extremes, even calling his own book on evolution Darwinism (1889). Had he been more ambitious and less generous, evolutionary science might have become known as “Wallaceism.”
An explorer, zoologist, botanist, geologist, and anthropologist, Wallace was a brilliant man in an age of brilliant men. Famous not only as cocreator of the natural selection theory, he was the discoverer of thousands of new tropical species, the first European to study apes in the wild, a pioneer in ethnography and zoogeography (distribution of animals), and author of some of the best books on travel and natural history ever written, including A Narrative of Travels on the Amazon and Rio Negro (1853) and The Malay Archipelago (1869). Among his remarkable discoveries is “Wallace’s Line,” a natural faunal boundary between islands (now known to coincide with a junction of tectonic plates) separating Asian-derived animals from those evolved in Australia.
Born in 1823 in Usk, England, a small town near the Welsh border, Wallace was raised in genteel poverty. His first employment was helping his brother John survey land parcels for a railroad. While still in his twenties, he served a stint as a schoolmaster in Leicester, where he met young Henry Walter Bates, who shared his passion for natural history. On weekend bug-collecting jaunts, the would-be adventurers discussed such favorite books as the Voyage of HMS Beagle (1845) and dreamed of exploring the lush Amazon rain forests of Charles Darwin’s ecstatic descriptions.
Another book also inspired them: Robert Chambers’s anonymously published Vestiges of Creation (1844), a controversial, literary treatise on evolution. Scorned by scientists, Vestiges championed the idea that new species originate though ordinary sexual reproduction rather than by spontaneous creation. Wallace and Bates decided they would comb the exotic jungles to collect evidence that might prove or disprove this exciting “development hypothesis” (only later known as evolution). When Darwin had embarked on his own voyage of discovery some 20 years earlier, he had had no such clear purpose in mind. Science was not yet a well-established profession, and naturalists were often dedicated amateurs from wealthy families. When Darwin went on his circumglobal voyage, his father paid all expenses, even providing a servant to assist with his work. Wallace’s achievements are all the more remarkable, for he had to finance his expeditions by selling thousands of natural history specimens, mainly insects, for a few cents apiece. When his exploring and collecting days were over, Wallace struggled to support his family on author’s royalties and by grading examination papers. (He said in My Life (1905) that the “capability of a man in getting rich is in an inverse proportion to his reflective powers in direct proportion to his impudence.”)
Bates and Wallace reached Pará, at the mouth of the Amazon, in May 1848; they collected and explored the surrounding regions for several months, then decided to split up. Wallace went up the unknown Rio Negro, leaving Bates to explore the upper Amazon regions. From 1848 until 1852, Wallace collected, explored, and made numerous discoveries despite malaria, fatigue, and the most meager supplies. When he finally returned to rejoin Bates downriver, he found that his beloved younger brother had traveled across the world to join the adventure and had just died of yellow fever in Bates’s camp. Grief-stricken, exhausted, and suffering from malaria himself, Wallace boarded the next ship for England. With him went his precious notebooks and sketches, an immense collection of preserved insects, birds, and reptiles, and a menagerie of live parrots, monkeys, and other jungle creatures.
In the middle of the North Atlantic, as Wallace suffered a new attack of malaria, the ship suddenly burst into flames. He wrote in My life, “I began to think that almost all the reward of my four years of privation and danger was lost.” He was able to rescue only a few notebooks as he dragged himself into a lifeboat; everything else burned or sank beneath the waves. In Travels on the Amazon and Rio Negro, he recalled: How many times, when almost overcome by the ague, had I crawled into the forest and been rewarded by some unknown and beautiful species! How many places, which no European foot but my own had trodden, would have been recalled to my memory by the rare birds and insects they had furnished to my collection! . . . And now I had not one specimen to illustrate . . . the wild scenes I had beheld! The measure of Wallace’s enormous courage and resilience showed itself shortly after returning to England. With the insurance money he received for part of his lost collections, he immediately set out on a new expedition—this time to the Malay Archipelago (1854–1862). Wallace mastered Malay and several tribal languages, for he was intensely interested (as Darwin never was) in “becoming familiar with manners, customs and modes of thought of people so far removed from the European races and European civilization.” A self-taught field anthropologist, he made pioneering contributions to ethnology and linguistics and developed “a high opinion of the morality of uncivilized races.” He later recalled with satisfaction that while he lived among them he never carried a gun or locked his cabin door at night.
In the Moluccas he tracked orangutans through the deep forest, shot several for the British Museum’s collection, and raised an orphaned infant orang in his field camp. Since local tribesmen regarded the redhaired apes as “men of the woods,” they were horrified when he shot and skinned them, convinced he would next want to add their own skulls to his collection.
Wallace collected natural history specimens with an extraordinary passion. As he recounts in The Malay Archipelago (1869), I found . . . a perfectly new and most magnificent species [of butterfly]. . . . The beauty and brilliancy of this insect are indescribable, and none but a naturalist can understand the intense excitement I experienced. . . . On taking it out of my net and opening the glorious wings, my heart began to beat violently, the blood rushed to my head, and I felt . . . like fainting . . . so great was the excitement produced by what will appear to most people a very inadequate cause.
Wallace came to the idea of evolution not through artificial selection of domestic animals, as Darwin did, but through his observations of the natural distribution of plants, animals, and human tribal groups and their competition for resources. Like Darwin, he was influenced by Thomas Malthus’s Essay on the Principle of Population (1798), which he had read some years before.
In 1855, while in Sarawak, he composed “my first contribution to the great question of the origin of species.” Combining his knowledge of plant and animal distribution with Sir Charles Lyell’s account of “the succession of species in time,” he came up with a conclusion about when and where species originate. (“The how,” he wrote, “was still a secret only to be penetrated some years later.”) His paper, titled “On the Law Which Has Regulated the Introduction of New Species,” stated that “every species has come into existence coincident both in space and time with a pre-existing, closely-allied species.” This preliminary conclusion, he knew, “clearly pointed to some kind of evolution.”
Published in an English natural history journal in September 1855, Wallace’s “Sarawak Law” was generally ignored by the scientific world. When he expressed his disappointment in a letter to Darwin, “He replied that both Sir Charles Lyell and Mr. Edward Blyth, two very good men, specially called his attention to it.” Writing years later, Thomas Huxley said, “On reading it afresh I have been astonished to recollect how small was the impression it made.”
In February 1858, Wallace was living on Ternate, one of the Moluccan Islands, and was suffering from a sharp attack of intermittent malarial fever, which forced him to lie down for several hours every afternoon. From his combined accounts in a 1903 article and in My Life, his 1905 autobiography, here are Wallace’s recollections about his independent discovery of natural selection:
It was during one of these fits, while I was thinking over the possible mode of origin of new species that somehow my thoughts turned to the “positive checks” to increase among savages and others described . . . in the celebrated Essay on Population by Malthus . . . I had read a dozen years before. These checks—disease, famine, accidents, wars, etc.—are what keep down the population. . . . [Then] there suddenly flashed upon me the idea of the survival of the fittest . . . that in every generation the inferior would inevitably be killed off and the superior would remain.
Considering the amount of individual variation that my experience as a collector had shown me to exist . . . I became convinced that I had at length found the long-sought-for law of nature that solved the problem of the origin of species. . . . On the two succeeding evenings [I] wrote it out carefully in order to send it to Darwin by the next post.
It was this article, “On the Tendency of Varieties to Depart Indefinitely from the Original Type” (1858), that sent Darwin into a panic, convinced his friend Charles Lyell’s warning that he would be “forestalled” by Wallace “had come true with a vengeance.” Lyell and Sir Joseph Hooker, attempting to rescue their friend’s threatened prior claim, arranged to have Wallace’s paper published along with some of Darwin’s early drafts.
The announcement of the Darwin-Wallace theory of evolution by means of natural selection was read at the Linnean Society and published in its journal in 1858; the following year Darwin completed the Origin of Species and rushed it into print. Wallace was informed of these developments while still in the Moluccas, and he wrote that he happily and graciously approved. When he returned to England in 1862, Darwin was still anxious about Wallace’s reaction, and was relieved to discover his “noble and generous disposition.” Later Wallace maintained that even if his only contribution was getting Darwin to write his book, he would be content. But the fact remains that Wallace was not given an opportunity to exercise his nobility or generosity, since the joint publication was decided without anyone consulting him.
In addition to the chronicles of his travels, Wallace turned out a remarkable series of books, all landmark studies in evolutionary biology: Contributions to the Theory of Natural Selection (1870), Geographical Distribution of Animals (1876), Island Life (1880), and Darwinism (1889). In The World of Life (1910), he describes the living Earth as a single, complex system, an idea that seems, in some sense, to have foreshadowed the Gaia hypothesis:
There are now in the universe infinite grades of power, infinite grades of knowledge and wisdom, infinite grades of influence of higher beings upon lower. . . . This vast and wonderful universe, with its almost infinite variety of forms, motions, and reactions of part upon part, from suns and systems up to plant life, animal life, and the human living soul, has ever required and still requires the continuous co-ordinated agency of myriads of such intelligences.
Unlike the cloistered, tactful Darwin, in his later years Wallace was imprudently outspoken about his religious and political beliefs. Outraged colleagues wanted to dismiss him as a “senile crank” for his strong advocacy of utopian socialism, pacifism, wilderness conservation, women’s rights, psychic research, phrenology, and spiritualism, as well as his campaign against vaccination. Wallace replied he was not “brain-softening” with age, but had held many of these beliefs for 30 years.
Spiritualism strongly influenced his ideas on human evolution, causing him to differ with Darwin in 1869 on whether natural selection could explain “higher intelligence” in man. Wallace thought the human mind was supernaturally injected into an evolved ape from “the unseen world of Spirit.” He also rejected Darwin’s concept of “sexual selection,” which he dismissed as merely a special case of natural selection. Although the two men remained friendly and mutually respectful, they never really understood each other’s perspective. [See SPIRITUALISM; “WALLACE’S PROBLEM.” [another section in the book]] Nevertheless, Wallace was called upon to be an honored pallbearer at Darwin’s funeral at Westminster Abbey.
In 1876, Wallace helped introduce a Spiritualist paper at the British Association’s scientific meetings, which apparently touched off the notorious Slade affair. [See SLADE TRIAL.[another section in the book]] He testified for the defense at the trial of Henry Slade and often defended other professional “spirit-mediums” who were accused of conducting fraudulent “psychic experiments.” In 1881, Wallace joined the Society for Psychic Research. He headed the Land Nationalisation Society in 1882 and openly declared himself a Socialist in 1890. Some of his admirers had recommended he be appointed director of the proposed new park at Epping Forest, but Wallace immediately lost the position by stating that he would keep the woodland exactly as it was for future generations, allowing no restaurants, hotels, or other concessions.
When Darwin started a petition among scientists to get Wallace a civil pension, botanist Sir Joseph Hooker and others objected to appealing for government funds on behalf of “a public and leading spiritualist.” However, Darwin and Huxley prevailed and Wallace got his pension. (Huxley, though differing with Wallace on many issues, assured him in 1866 that he would never seek “a Commission of Lunacy against you”!)
In his last book, Social Environment and Moral Progress (1913), Wallace cataloged the horrors of the urban poor, colonial exploitation, and unchecked greed: “It is not too much to say that our whole system of society is rotten from top to bottom, and the Social Environment as a whole, in relation to our possibilities and our claims, is the worst that the world has ever seen.” He was deeply saddened and outraged, as he wrote in The Wonderful Century (1898), by “reckless destruction of the stored-up products of nature, which is even more deplorable because more irretrievable.”
He was furious when apologists for the status quo told him society needed no safety net for its poor or infirm, since, according to the “law” of natural selection, they ought to be eliminated. “Having discovered the theory,” he fumed in his 1913 book, “it is rather amusing to be told . . . that I do not know what natural selection is, nor what it implies.” Eugenicists who sought to regulate human breeding for selective improvement he considered “dangerous and detestable,” and he warned that lawmakers were “sure to bungle disastrously” any legislation on the subject.
Influenced by the socialist Henry George, Wallace urged a policy of land nationalization and an economy in which “all shall contribute their share either of physical or mental labor, and . . . every one shall obtain the full and equal reward for their work. [Then] the future progress of the race will be rendered certain by the fuller development of its higher nature acted on by a special form of selection which will then come into play.”
What “special form of selection” might be the salvation of humanity? Wallace argued that human populations produce many more males than females, but in his day young men were dying by the millions. Alcoholism, dangerous occupations, and particularly the frequent wars left Europe with a huge proportion of unattached women. But under a just and nonmilitaristic social system, Wallace predicted, the number of males would rise dramatically, until they greatly outnumbered women: “This will lead to a greater rivalry for wives, and will give to women the power of rejecting all the lower types of character among their suitors.” The well-educated, enfranchised, responsible “women of the future [will be] the regenerators of the entire human race . . . in accordance with natural laws.”
Wallace’s special hope for the salvation of mankind, then, was none other than “sexual selection,” one of Darwin’s favorite mechanisms for explaining the evolution of man—which Wallace had always insisted did not exist! However, Wallace added a twist to Darwinian sexual selection: an explicit acknowledgment of the large evolutionary effects of a slight change in sex ratio, a surprisingly modern way of thinking about populations.
During the 1970s and 1980s, Alfred Russel Wallace become a hero among disaffected academics and independent scholars. They saw in him a brilliant scientist, working outside the establishment, scrabbling for a living, snubbed by those with wealth and position, persecuted for unpopular social views—possibly even deprived of his rightful place in history. Yet Wallace was morally triumphant as a great human being and fearless truthseeker, cheerful, optimistic, and productive into his ninetieth year.
In 1985, the British Entomological Society, of which Wallace was once president, launched a series of major expeditions to study the insects of the world’s tropical rain forests. They called it “Project Wallace.”"