EntityQ595664· pop 17· linked from 19 articlesGeorges SagnacSign in to saveFrench physicist who lent his name to the Sagnac effect (1869–1928)ConnectionsUniversity of ParisEntityFranceCountryQ7186EntityInternational Standard Book NumberEntityWilhelm RöntgenEntityPierre CurieEntityX-rayEntityopticsEntityspecial relativityEntityMax von LaueEntityphysicistEntityJean PerrinEntityPérigueuxEntityMeudonEntityÉcole Normale SupérieureEntityPaul LangevinEntityÉmile BorelEntityinterferometryEntityX-ray fluorescenceEntityring laser gyroscopeEntityCategories1869 births1926 deathsFrench optical physicistsFrench physicistsPeople from PérigueuxRelativity criticsUniversity of Paris alumni