He became a surgeon of the hospitals in Lyon in 1919. A stay in the United States allowed for him to meet Simon Flexner (who advocates "smooth" surgery) at the Rockefeller Foundation and then William Halsted in Baltimore but a number of surgeons also had an influence on him. In 1924, he was the holder of the chair at The University of Strasbourg, who responded to the call of the dean Georges Weiss after the death of Louis Sencert. He introduced the important notion of non aggressive surgery. In 1925, during his inaugural lecture at the chair of surgical clinic of the University of Strasbourg. He said that surgery should no longer be limited to the correction or removal of anatomical lesions but should address the treatment of functional disorders.