David Rolfe Graeber (/ˈɡreɪbər/; born 12 February 1961) is an American-born, London-based anthropologist and anarchist activist, perhaps best known for his 2011 volume Debt: The First 5000 Years. He is Professor of Anthropology at the London School of Economics. https://en.m.wikipedia.org/wiki/David… Source: https://youtu.be/IoVffze_i9g