Henri Marie René Leriche (12 October 1879 – 28 December 1955) was a French vascular surgeon and physiologist. He was a specialist in pain, vascular surgery and the sympathetic trunk. He sensitized many who were mutilated in the first World war, he was the first to be interested in pain and to practice gentle surgery with as little trauma as possible. Two symptoms have the name Algoneurodystrophy and the aortic iliac obliteration. He has trained many students, such as Michael E. DeBakey, Jão Cid dos Santos, René Fontaine et Jean Kunlino. Biography He came from a family of Lyonian doctors, his father Ernest Leriche is confessed near the civil court of Roanne (after studying law in Paris) and his mother Anne Chamussy, married to Leriche, belong to the elite industrial region. Rene Leriche was the third child of seven siblings. He is the brother of Marc Leriche, a French sculptor. He attended at the school of Maristes. In 1893, he obtained a bachelor's degree in rhetoric. He then poses a question of following the footsteps of his grandfather, his great-uncle and his uncle in the path of surgery, École Militaire de Saint-Cyr to take on a military career. In March 1894, he changed his mind and wrote to his parents that he wanted to become a surgeon. He completed his bachelor of philosophy to enter the Faculty of Sciences of Lyon in November, and prepared the PCN (Physics, Chemistry, Natural Sciences). In 1899-1900, Leriche did his military service in the 98th Infantry Regiment. He was an intern in 1902, then a doctor of medicine by supporting a thesis on the technique of surgical resection in the treatment of stomach cancer in 1906, under the direction of Antonin Poncet. In Lyon, he became friends with Alexis Carrel, whom he later meet in New York. René Leriche married Louise Héliot Calenborn on 27 September 1910 in Lyon. His wife comes from an old Germanic Catholic Family . A doctor herself, she will be his closest collaborator. First World War At the beginning of the war, he was assigned in a surgical ambulance automobile in the Vosges. After a short visit to Creil in a triage and regulation hospital, he was appointed to the Panthéon hospital. Then he goes to the Russian hospital in the Carlton Hotel. In April 1917, wishing for a long time return to the front, René Leriche joined Robert