Roland Barthes (1915-1980) was a central figure in the thought of his time, but he was also something of an outsider. His father died in the First World War, he enjoyed his mother's unfailing love, he spent long years in the sanatorium, and he was aware of his homosexuality from an early age: all this soon gave him a sense of his own difference. He experienced the great events of contemporary history from a distance. However, his life was caught up in the violent, intense sweep of the twentieth century, a century that he helped to make intelligible.

This major new biography of...