Education
Autonne studied from 1878 to 1880 at l"École polytechnique and then at the École des ponts et chaussées and became there Ingénieur en chef. He received in 1882 from the Sorbonne his Doctor of Philosophy with dissertation Recherches sur les intégrales algébriques des équations differentielles à coefficients rationnels, with Charles Hermite as chair of the thesis committee.