American economist, columnist, and blogger. Professor at George Mason University, holding the Holbert L. Harris chair in the economics department. Co-host of the economics blog Marginal Revolution and co-founder of Marginal Revolution University.

Jazz critic, music historian, and author of eleven books including "Music: A Subversive History," "The Jazz Standards: A Guide to the Repertoire," "The History of Jazz," and "Delta Blues." Founder of Stanford University's jazz studies program.

The Old Books Guy | Sharing new ideas from old books | Follow for unforgettable insights from forgotten books.