There's a really good book by David Foster Wallace called Everything and More: A Compact a history of Infinity that traces the origin of the concept and the num

There's a really good book by David Foster Wallace called Everything and More: A Compact a history of Infinity that traces the origin of the concept and the numerous difficulties the idea faced before becoming more or less accepted as it is today. Highly recommended if you like reading or math. Interstingly, Wallace takes a similar attitude towards those not keen on the details of the Math. There are large swaths where he basically says, "skip this if it makes your head hurt, you won't be missing any of the story." @refrigerator, some of us come from all kinds of different backgrounds and didn't study this in school and wouldn't know anything at all about it if not for books like the one I mentioned above. Who knows? Perhaps Butterick has sparked an interest in some typographer who's never thought about the concept.