Jacques Marie Émile Lacan (UK: , US: lə-KAHN; French: [ʒak maʁi emil lakɑ̃]; 13 April 1901 – 9 September 1981) was a French psychoanalyst and psychiatrist. Described as "the most controversial psycho-analyst since Freud", Lacan gave yearly seminars in Paris, from 1953 to 1981, and published papers that were later collected in the book Écrits. Transcriptions of his seminars, given between 1954 and 1976, were also published.
https://en.wikipedia.org/wiki/Jacques_Lacan