Callum Williams is Britain economics correspondent for The Economist. He joined in 2014 and covers the British economy. He also has an interest in economic developments in Russia and Ukraine, and writes book reviews about music. Callum received his undergraduate degree from Cambridge and an MPhil from Oxford. In 2011-12 he was a Choate fellow at Harvard, where he was supervised by Amartya Sen. His first book, provisionally titled ENLIGHTENED LIVES: The 20 Economists Who Shaped The World, is currently in preparation.