20th-century surgeons

Édouard Francis Kirmisson (July 18, 1848 – September 22, 1927) was a French surgeon who was a native of Nantes. He specialized in pediatric and orthopedic surgery.Kirmisson studied medicine at the École de Médecine in Paris, and later worked as an externe under Noël Guéneau de Mussy (1813–1885) at the Hôtel-Dieu. In 1879 he earned his medical doctorate, obtaining his agrégation in 1883. He spent the following years as a surgeon of Parisian hospitals, becoming a professor of pediatric surgery and orthopedics at Hôpital des Enfants-Malades in 1901.
In 1890 Kirmisson founded the journal "Revue d’orthopédie". In 1903 he became a member of the Académie de Médecine.

Léon Dufourmentel (1884 – July 29, 1957) was a French surgeon, son of a merchant, who specialized in maxillofacial surgery, leading to reconstructive surgery. Intern of Hospitals of Paris, then leader of the clinical faculty of medicine of Paris. He was the son-in-law of the anatomist Pierre Sebileau, and the father of plastic surgeon Claude Dufourmentel (Former head of department at the Hôpital Saint-Louis).
During the First World War, he was responsible for caring for gueules cassées (broken faces), and being led to the creation of units of maxillofacial surgery, he found a method for repairing facial wounds: He described a pedicled vascularized flap from the temporal scalp (popularly called a Dufourmentel flap)(http://www.biusante.parisdescartes.fr/1418/cadre2e.htm) and transferred the tissue to the chin area. This tissue transfer was more reliable than a free skin graft. It was his idea to first use prosthetic inclusions prior to 1930 - then implants used were mostly made of ivory, rubber on the nose.

Ralph Bingham Cloward (September 24, 1908 — November 13, 2000) was an American neurosurgeon, best known for his innovations in spinal neurosurgery. Cloward is known for the development of the Posterior Lumbar Interbody Fusion and Anterior Cervical Discectomy and Fusion. Cloward moved from Chicago to Hawaii in 1938, becoming the state's lone neurosurgeon. He is well known for his work treating victims of brain injuries after the Pearl Harbour attack in 1941.

Samuel Jean Pozzi (3 October 1846 – 13 June 1918) was a French surgeon and gynecologist. He was also interested in anthropology and neurology. He is remembered today for John Singer Sargent's portrait of him.
After studying medicine in Paris, Pozzi volunteered as a medic during the Franco-Prussian War. He later specialized in gynecological and abdominal surgery, establishing the first Chair of Gynecology in Paris in 1884, and performing the first gastroenterostomy in France. Pozzi was elected to the French Academy of Medicine in 1896, and co-founded the Revue de gynécologie et de chirurgie abdominale in 1897.
His personal life was marked by a tumultuous marriage, multiple affairs, and cultural interests, including friendships with notable figures such as Sarah Bernhardt and Marcel Proust. In the political arena, Pozzi served as a senator for his hometown, Bergerac, and supported the controversial Alfred Dreyfus during his trial. He died in 1918, when a disgruntled patient fatally shot him.

Paul Tessier (August 1917 – June 6, 2008) was a French maxillofacial surgeon. He was considered the father of modern craniofacial surgery.

Alfred A. Tomatis (1 January 1920 – 25 December 2001) was a French otolaryngologist and inventor. He received his Doctorate in Medicine from the Paris School of Medicine. His alternative medicine theories of hearing and listening are known as the Tomatis method or Audio-Psycho-Phonology (APP).
Tomatis' approach, a type of auditory integration training, is known as the Tomatis Method. It is promoted as being of benefit to people with autism, but there is no good evidence to support these claims and the Method has been classified as a pseudoscience.

Clarence Walton Lillehei (October 23, 1918 – July 5, 1999), was an American surgeon who pioneered open-heart surgery, as well as numerous techniques, equipment and prostheses for cardiothoracic surgery.

Sir Andrew Watt Kay (14 August 1914 – 1 February 2011) FRSE, FRCPSG, FRCSEd was a Scottish academic surgeon who was Regius Professor of Surgery at the University of Glasgow from 1964 to 1981. He developed the augmented histamine test, which bore his name, and was widely used in the investigation and treatment of peptic ulcer disease. He was knighted for services to surgery. From 1972 to 1974 he served as president of the Royal College of Physicians and Surgeons of Glasgow.

Sir Kenneth Charles Calman, HonFAcadMEd (born 25 December 1941) is a Scottish doctor and academic who formerly worked as a surgeon, oncologist and cancer researcher and held the position of Chief Medical Officer of Scotland, and then England. He was Warden and Vice-Chancellor of Durham University from 1998 to 2006 before becoming Chancellor of the University of Glasgow. He held the position of Chair of the National Cancer Research Institute from 2008 until 2011. From 2008 to 2009, he was convener of the Calman Commission on Scottish devolution.