John "Edward" Horner Chancellor (born December 1962), is a British financial historian, finance journalist, and former hedge fund investment strategist and a former investment banker. In 2016, the Financial Analysts Journal called him "one of the great financial writers of our era", and in 2022, Fortune called him "one of the greatest financial historians alive". Chancellor is noted for his prescient warnings of the last three major economic bubbles in his published works: Devil Take the Hindmost: A History of Financial Speculation (1999, the dot-com bubble), Crunch-Time for Credit? (2005, the credit bubble), and The Price of Time: The Real Story of Interest (2022, the everything bubble).