[1][2] After schooling in Normandy and studying as a lawyer in Caen (graduating in 1889), He inherited millions of francs and lived wildly until he nearly reached bankruptcy.
He left journalism in 1907, after returning from covering a volcanic eruption and being immediately sent on another assignment without vacation time, and began writing fiction.
Following his separation, he then lived with Jeanne Cayatte from Lorraine, with whom he had a son, Gaston, nicknamed Milinkij, and daughter Madeleine; they married in 1917 after Lefranc's death.
A foreword alleges that the translation by Alexander Peters first appeared in Fantasy Book in 1969 (but no original French publication date is given).
Neither "Alexander Peters" nor "Fantasy Book" appear to exist, and the text of the story is, in fact, a word-for-word copy of the story Figures de cire by Andre de Lorde which was published as Waxworks in the 1933 anthology Terrors: A Collection of Uneasy Tales, edited (anonymously) by Charles Birkin.