He studied law, but sought also had contact with writers like Leconte de Lisle, Paul Verlaine and Alphonse Daudet.

After graduating in 1877, he first practiced in a law firm, in 1879 qualified for the diplomatic service, and was posted in the French Embassy in Mexico.

But he preferred to remain in France, where he attended fashionable literary salons, and the acquaintance of artists and writers such as Marcel Proust, Paul Bourget, Henri Meilhac, Ludovic Halévy, Guy de Maupassant and Edgar Degas.

Hervieu was called to the bar in 1877, and, after serving some time in the office of the president of the council, he qualified for the diplomatic service, but resigned on his nomination in 1881 to a secretaryship in the French legation in Mexico.

[1] He contributed novels, tales and essays to the chief Parisian papers and reviews, and published a series of clever novels, including L'Inconnue (1887), Flirt (1890, illustrated by Madeleine Lemaire), L'Exorcisée (1891), Peints par eux-mêmes (1893), an ironic study written in the form of letters, and L'Armature (1895), dramatized in 1905 by Eugène Brieux.