In the post-apocalypse my sole contribution to humanity will be remembering and popularizing the split-log drag form of horse-drawn road-grading tool, for which I will be like one of the 25 most influential people in preventing total civilizational collapse
Well no, if I ever got to that point I’d go meta and hand it off to someone while I ran a project to track down everyone who’d worked with like, Haber-Bosch and Bessemer processes to record their memories in durable form