David Graeber, an anthropologist and author, has died at the age of 59. He was known for his books on bureaucracy, politics, and capitalism, including 'Debt: The First 5,000 Years' and 'Bullshit Jobs: A Theory'. Graeber was a professor of anthropology at the London School of Economics and was involved in the Occupy Wall Street movement. His final book, 'The Dawn of Everything: a New History of Humanity', is set to be published in autumn 2021.