As far back as we can trace human history, there have been entrepreneurs. Almost five millennia ago, copper tool manufacturers set up a factory in what today is southwest Spain, profiting for hundreds of years from trade around the Mediterranean. Papyri document the diverse investments of an ancient Egyptian businessperson, from grain-yielding land to flax for linen cloth. What do these figures have in common with renowned modern entrepreneurs, and how do their similarities help us achieve a deeper understanding of entrepreneurship as well as the potential for a healthier, wealthier, and more equitable and sustainable future? Derek Lidow delves into the deep history of innovation to deliver essential new insights into how entrepreneurs create value and bring about change. Telling the captivating stories of people from many different cultures over thousands of years, he shows how entrepreneurs transform the world through relentless innovation. Lidow demonstrates that far from being heroic lone individuals, they copy and then add to the inventions of others. The cumulative innovations of swarms of entrepreneurs expand the scale, scope, and range of products and services. Lidow emphasizes how entrepreneurship can harm society as well as benefit it, and he underscores ways to mitigate its harmful side and harness its positive effects.