David Rolfe Graeber was an economic anthropologist and anarchist activist. He is best known for books "Debt: The First 5,000 Years," published in 2011, and "Bullshit Jobs," which was published in 2018, and his leading role in the Occupy movement.Graeber was an Assistant Professor at Yale University from 1998 to 2005. He then moved to England and became a lecturer and reader at Goldsmiths' College from 2008 to 2013, and a professor at the London School of Economics from 2013.Graeber died in September 2020.