Theodor Adorno was no stranger to controversy. In The Jargon of Authenticity he gives full expression to his hostility to the language employed by certain existentialist thinkers such as Martin Heidegger. With his customary alertness to the uses and abuses of language, he calls into question the jargon, or 'aura', as his colleague Walter Benjamin described it, which clouded existentialists' thought. He argued that its use undermined the very message...