Elayne Riggs: Rennies, Wonks and Fen
Have you ever seen a Venn diagram? Here’s an example: John Venn first published these diagrams in 1880, although similar diagrams were used up to a century earlier. In the above example, the adjectives “happy,” “short” and “male” all intersect in the middle, with overlaps also occurring between happy short females and sad short males…