<img class="" alt="Professor E.O. Wilson in his office, at a table in front of a bookshelf, at Harvard University in Cambridge, Massachusetts, USA." src="//media.nature.com/lw800/magazine-assets/d41586-022-00078-7/d41586-022-00078-7_19976240.jpg"> Harvard University Professor E.O. Wilson in his office at Harvard University in Cambridge, MA. USA Credit: Rick Friedman/Corbis via GettyEdward (Ed) Wilson began by exploring the systematics, geographical distribution, social organiza...