Doctor Pascal (orig. French Le Docteur Pascal) is the twentieth and final novel of the Rougon-Macquart series by Émile Zola, first published in June 1893 by Charpentier.Zola's plan for the Rougon-Macquart novels was to show how heredity and environment worked on the members of one family over the course of the Second Empire. He wraps up his heredity theories in this novel. Le docteur Pascal is furthermore essentially a story about science versus faith.