context: He was chosen a member of the Académie des Sciences in 1836, filling the seat of André-Marie Ampère.
source: Sturm became répétiteur in 1838, and in 1840 professor in the École Polytechnique.
reference_original: Sturm war 1838 Repetitor und Professor an der École Polytechnique.
reference_flipped: Sturm war 1838 Repetitorin und Professorin an der École Polytechnique.