Keith Hart is an anthropologist whose research interests include economics, Africa, money, and the internet. A native of Manchester, England, he contributed the concept of informal economy to development studies. His many books include The Memory Bank: Money in an Unequal World (Profile, 2000) and the edited volume Money in a Human Economy (Berghahn, 2017). His most recent book is Self in the World: Connecting Life’s Extremes (Berghahn, 2022). He has taught on four continents and co-founded the Human Economy Programme in Pretoria.