The writer and critic Kim Newman went further, explaining in a 2003 television documentary on Nigel Kneale's career that he believed Quatermass to be not only a representation of science but of humanity itself. Referring to the conclusion of "The Quatermass Experiment", he commented: "It almost boils down to an editorial speech by Quatermass representing humanity, or the humane aspects of humanity. He talks to the monster, and so the monster is defeated by an intellectual argument or an emotional appeal." Like Kneale, he contrasted this to American science-fiction productions, where the alien adversary would be defeated by "it being blown up or electrocuted, or having the entire firepower of the army turned against it." Hammer had altered their film version of the story so that the creature is in fact killed by being electrocuted.