As a teacher, I want to spread the gospel of data visualization far and wide, but only in ways that I can do it well. It’s tempting to have my books translated into other languages, but if I don’t understand them, I can’t confirm the quality of the work, so I refrain. My data visualization […]

Hans Rosling of GapMinder is one of my heroes. He has become an engaging and powerful teller of quantitative stories. He’s making a difference in the world. Even the most talented among us, however, sometimes slip up. Rosling’s recent video, produced by BBC Four, takes advantage of technology to place him behind a transparent bubble […]