Schematic from Wells' The Outline of History (1921), showing the rise of Europe, and the "mechanical revolution" leading to, writ in huge letters along the bottom, "The Great War".
Featured on PDR in the essay H. G. Wells and the Uncertainties of Progress
In addition to the numerous pioneering works of science fiction by which he made his name, H. G. Wells also published a steady stream of non-fiction meditations, mainly focused on themes salient to his stories: the effects of technology, human folly, and the idea of progress. As Peter J. Bowler explores, for Wells the notion of a better future was riddled with complexities.