In An Invasion of Macrobes (1909), Professor Tornada, unhinged by the death of his wife and daughter, and unable to withstand the blow of having been rejected by the French Academy, unleashes giant, flesh-eating bacteria, immune to the assaults of artillery and high explosives, on Paris, intent on smashing it flat. In the ground-breaking The Androgyne (1922), Tornada turns a man into a woman. Andr Couvreur (1865-1944) was a medical doctor who penned...