EntityQ2990340· pop 17· linked from 22 articlesJacques de BillySign in to saveFrench mathematician (1602-1679)ConnectionsSociety of JesusEntitylist of Roman Catholic cleric–scientistsEntityastronomyEntityPope FrancisPersoncometEntityInternational Standard Book NumberEntitytheologyEntityastrologyEntityGrenobleEntityDijonEntityReimsEntitymathematicianEntityPierre de FermatEntityFrenchEntityeclipseEntityIgnatius of LoyolaEntitydigital object identifierEntityChâlons-en-ChampagneEntityFrancis XavierEntityCompiègneEntityCategories1602 births1679 deaths17th-century French Jesuits17th-century French mathematiciansCatholic clergy scientistsFrench number theoristsJesuit scientists