Gould also had a long-running public feud with E. O. Wilson and other evolutionary biologists concerning the disciplines of human sociobiology and evolutionary psychology, both of which Gould and Lewontin opposed, but which Richard Dawkins, Daniel Dennett, and Steven Pinker advocated. These debates reached their climax in the 1970s, and included strong opposition from groups such as the Sociobiology Study Group and Science for the People. Pinker accuses Gould, Lewontin, and other opponents of evolutionary psychology of being "radical scientists", whose stance on human nature is influenced by politics rather than science. Gould stated that he made "no attribution of motive in Wilson's or anyone else's case" but cautioned that all human beings are influenced, especially unconsciously, by our personal expectations and biases. He wrote: