Encountered by accident a few days ago, this 2010 book of mathematical entertainments for a general readership: Yet another occurrence of what I’ve dubbed the Euclid pun, a major groaner that turns on “Here’s looking at you, kid”, a toast attributed to Humphrey Bogart’s Rick to Ingrid Bergman’s Ilsa in the movie Casablanca. Some history … Continue reading The Euclid pun again