Last year, when I wrote Draw the Map, Draw the World about the New York City subway map and Massimo Vignelli, one of the signature designers in the map’s history, I was surprised how many people were interested in the topic. There’s been some great...

The Sunday New York Times ran a fantastic article by Alex Mindlin, Win, Lose, Draw: The Great Subway Map Wars that details a battle that has brewed, off and on, for the past 30 years. There are, it seems, at least two distinct systems of belief...