From our earliest wanderings within and out of Africa and the earth-shattering repercussions of the Age of Exploration to the building of the US-Mexico border wall, here is a succinct account of human migration--an essential, millennia-long feature of humanity

Ian Goldin is the Oxford University Professor of Globalization and Development and founding director of the Oxford Martin School, the world's leading center for interdisciplinary research into critical global challenges, where he has established forty-five research programs. Previously, he was vice president of the World Bank and its Head of Policy, responsible for its collaboration with the United Nations and key partners. He served as adviser to President Nelson Mandela, has been knighted by the French government, and is the author of three BBC series. Ian has been an advisor to numerous businesses, governments, and foundations and is a founding trustee of the International Center for Future Generations and Chair of the CORE Econ initiative to transform economics. He is the author of twenty-five books, including Age of the City, which was selected by the Financial Times as one of its best books of 2023.