Other Uses
The term Darwinism is often used in the United States by promoters of creationism, notably by leading members of the intelligent design movement, as an epithet to attack evolution as though it were an ideology (an "ism") of philosophical naturalism, or atheism. For example, Phillip E. Johnson makes this accusation of atheism with reference to Charles Hodge's book What Is Darwinism?. However, unlike Johnson, Hodge confined the term to exclude those like Asa Gray who combined Christian faith with support for Darwin's natural selection theory, before answering the question posed in the book's title by concluding: "It is Atheism." Creationists use the term Darwinism, often pejoratively, to imply that the theory has been held as true only by Darwin and a core group of his followers, whom they cast as dogmatic and inflexible in their belief. In the 2008 movie Expelled: No Intelligence Allowed which promotes intelligent design, Ben Stein refers to scientists as Darwinists. Reviewing the film for Scientific American, John Rennie says "The term is a curious throwback, because in modern biology almost no one relies solely on Darwin's original ideas... Yet the choice of terminology isn't random: Ben Stein wants you to stop thinking of evolution as an actual science supported by verifiable facts and logical arguments and to start thinking of it as a dogmatic, atheistic ideology akin to Marxism."
However, Darwinism is also used neutrally within the scientific community to distinguish modern evolutionary theories, sometimes called "NeoDarwinism", from those first proposed by Darwin. Darwinism also is used neutrally by historians to differentiate his theory from other evolutionary theories current around the same period. For example, Darwinism may be used to refer to Darwin's proposed mechanism of natural selection, in comparison to more recent mechanisms such as genetic drift and gene flow. It may also refer specifically to the role of Charles Darwin as opposed to others in the history of evolutionary thought — particularly contrasting Darwin's results with those of earlier theories such as Lamarckism or later ones such as the modern synthesis.
In the United Kingdom the term often retains its positive sense as a reference to natural selection, and for example Richard Dawkins wrote in his collection of essays A Devil's Chaplain, published in 2003, that as a scientist he is a Darwinist.
In his 1995 book Darwinian Fairytales, Australian philosopher David Stove used the term "Darwinism" in a different sense than the above examples. Describing himself as non-religious and as accepting the concept of natural selection as a well-established fact, Stove nonetheless attacked what he described as flawed concepts proposed by some "Ultra-Darwinists". Stove alleged that by using weak or false ad hoc reasoning, these Ultra-Darwinists used evolutionary concepts to offer explanations that were not valid (e.g., Stove suggested that sociobilogical explanation of altruism as an evolutionary feature was presented in such as way that the argument was effectively immune to any criticism.) Philosopher Simon Blackburn wrote a rejoinder to Stove, though a subsequent essay by Stove's protegee James Franklin's suggested that Blackburn's response actually "confirms Stove's central thesis that Darwinism can 'explain' anything."
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