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62 of 68 people found the following review helpful:
5.0 out of 5 stars
The trials of an idea, May 7, 2004
Edward Larson has capped a fine string of publications on evolution with this history. A study of the idea of evolution and consideration of the mechanisms driving it, this book introduces you to the major thinkers and researchers involved. Each chapter focuses on an individual or a concept, explaining the rationales behind the idea and its supporters. Larson's evocative prose style keeps the account moving smoothly, even when disputants over an idea grow disruptive and acrimonious.Larson opens with consideration of the problem of deep time. With biblical authority decreeing a young earth and the immutability of species, the idea of change over time was deemed impossible, if not heretical. Ironically, the first scholar to open the notion of deep time was one of evolution's "staunchest foes" - Georges Cuvier. This French scientist was an early expert on comparative anatomy, stressing form resulted from functional use of an organ. His studies led him to argue that fossils truly represented extinct species. However, new species didn't evolve from the older ones, he argued, but were the result of an act of subsequent creation. Extinctions were due to some catastrophic event. The idea of species succession, however, introduced the notion of deep time - an Earth older than then supposed. From Cuvier, Larson logically moves to the ideas of another French scientist, Jean Baptiste Lamarck. Today, Lamarck's ideas are blithely dismissed, but Larson shows the significance of his contributions. Although the paleontological record provided spotty support, Lamarck rejected Cuvier's "fixed species" sequences for a form of continuous change. Thinking that changes to the body would be reflected in later generations, Lamarck developed the thesis of "acquired characteristics". Larson makes clear that Lamarck's ideas, although denounced today, were a needed foundation for Darwin's great insight. Larson's summary of Darwin's Beagle voyage and development of the concept of evolution by natural selection is clear and succinct. Except for Larson's insistence on calling it "evolutionism", thereby changing a scientific idea into an ideology, it's a fine synopsis. Larson is correct in concentrating on human evolution. No matter what Darwin wrote of pigeons or barnacles, people wanted to know how humans fit into the evolutionary scheme. More than one scientific and social issue depended on that pivotal point. Larson describes the years of challenge to natural selection and the rise of Mendelian genetics leading the assault. Objectors to natural selection came from more than just the ranks of Christian dogmatists. Lord Kelvin's calculation of the sun's waning heat denied evolution sufficient time to operate. Others argued that breeding species blended traits instead of separating them into new species. Later, the most important student of heredity, Thomas Hunt Morgan, rejected natural selection in favour of a mutation-driven mechanism. The turning point came with J.B.S. Haldane, Sewall Wright and Ronald Fisher's new "biometric" studies in population genetics. The merging of Mendelian genetics with Darwin's natural selection is now known as the "new synthesis" or "neo-Darwinism". That combination has proven the most lasting and meaningful aspect of thought on the idea of evolution. From it, Larson explains, arose E. O. Wilson's innovative concept of sociobiology. The behaviour of social insects offer insight into group interaction and are applicable to human evolutionary history. There are many books with information on the history of evolution as a concept. Why choose this one over any of them? The main reason is Larson's focus on evolution as an idea. The biological themes are discussed only briefly, keeping Larson free to relate the history of the concept. He describes some of the off-shoots of Darwin's original thesis, such as Gould and Eldredge's "punctuated equilibrium", but cautiously avoids any commitment to any of them. His purpose is relating how the idea came to dominate science. He also portrays its Christian opponents in the United States and how their strategies have been applied in driving education away from science to embrace religious themes, however disguised. As an overview, this book is an outstanding introduction. [stephen a. haines - Ottawa, Canada]
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