The article focuses on an apparently secondary aspect of Adorno???s argumentation in the Positivist Debate: social physiognomy. Physiognomy forms part of what the historian Carlo Ginzburg called an ???evidential paradigm???. Based specifically on semiotics, it began to assert itself in the human sciences in the late nineteenth century. The art connoisseur Giovanni Morelli, Sherlock Holmes and Sigmund Freud showed how through its application, information considered marginal could enable understanding a deeper, otherwise unattainable reality. Benjamin and Adorno also set physiognomy at the centre of their complex, anti-reductionist theory of culture, which focuses on aspects neglected by conventional approaches. While traditional ???rationali...