Zola warns “the masters of society to take heed … Take care, look beneath the earth, see these wretches who work and suffer. There is perhaps still time to avoid the ultimate catastrophe … [Yet] here is the peril: the earth will open up and nations will be engulfed in one of the most appalling cataclysms in history.” In the Paris where Émile Henry lived, this prophecy seemed to be coming true.

