Crocq studied medicine and earned a doctorate in psychology in 1961. He became a military psychiatrist in 1952 and became certified in psychiatry in 1974. In 1987, he retired from the
French Armed Forces and began consultations at the
Hôpital Saint-Antoine and later the
Necker–Enfants Malades Hospital. He was president of the military and disaster section of the
World Psychiatric Association and founded the
Association de langue française pour l’étude du stress et du trauma. After the , he co-founded the '''' alongside Gérard Lopez and Patrice Louville. His publications focused on shell shock and
post-traumatic stress disorder. Louis Crocq died on 8 June 2022 at the age of 94. ==Bibliography==