The founder of modern nursing, who fought preventable death with mortality tables and ran an empire's sanitary reform from her sickroom.
He moved the Earth to rescue the ancient circles — and produced a scheme that was more coherent, no more accurate, and thirty-six years late.
Slows the fast, certain answer down, replaces inside-view optimism with the base rate, and names the bias tilting a decision before it is made.
The self-taught printer who asked why poverty deepens as progress advances — and traced the answer to the ownership of land.