This lecture took place on the 9th May 1957 in the Descartes Amphitheatre of the Sorbonne, at the request of the philosophy group of the Fédération des étudiants ès Lettres. The lecture was written up 14th-16th May 1957 and published in volume titled ‘Psychoanalysis and the Sciences of Man’, then in Écrits : 1966. Translated into English 1) Translated by Jan Miel : as The Insistence of the Letter in the Unconscious : Yale French [...]