Émile saw little of his father during his childhood, and lived with his ailing mother until her death in 1863. In 1864, at the age of 7, he was enrolled at the Ecole professionnelle de Pantin, a boarding school known as the Institute Vaudron after its founder. There his artistic talents were discovered and encouraged. The next year, a cold kept him confined in his father's apartment, where he began stamp collecting, a hobby that would become his sole source of income several times in his life.