Also, a quasi-Venn diagram of the German Empire on Pages 6–7 here: https://m-a.org.uk/resources/PE4LifeofPie.pdf

Something poetic about the guy who made bar and pie charts being a serial con artist

Somebody should speak up to Florence Nightingale and her flame charts and stats visualisations. Heroine of operations research.

What a goldmine of a blog. Interesting find!

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