Physicians from Paris

Auguste Gabriel Maurice Raynaud (10 August 1834 – 29 June 1881) was the French medical doctor who discovered Raynaud syndrome, a vasospastic disorder which contracts blood vessels in extremities and is the "R" in the CREST syndrome acronym, in the late 19th century.

Célestin Sieur (La Chapelle-en-Lafaye, 27 December 1860 – Paris, 12 June 1955) was a French physician specializing in ENT surgery. The Sieur's sign is named after him.