Definition: this fallacy is committed when there is an appeal to an illegitimate authority. When an appeal to authority does not meet the following conditions, it is considered to be a faulty appeal to authority and therefore is a fallacy. There must be an identifiable field of knowledge. The person appealed to must be an authority in that particular field. The person appealed to must have current knowledge of information in that field. There must be a general consensus among other experts in that field about the given topic. The authority must not be in a conflict of interest. Linus pauling, a double nobel prize winning chemist has argued that mega doses of. Surely if such a noted scientist like this makes that claim then it must be true . This is a fallacious argument because it violates more than one of the required criteria for a successful appeal to authority.