• The Decision Papers — From Thought to Proof: How Leaders Move Before the Evidence Is Ready. Banner with sketched figures and structures ascending in stages.

    I.25 — From Thought to Proof: How Leaders Move Before the Evidence Is Ready

    “Hypotheses are nets: only he who casts will catch.” — Novalis In 1854, a London doctor asked a parish council to do something that sounded like superstition: take the handle off the Broad Street water pump. Cholera was killing the neighbourhood, and everyone knew it came from bad air. Germ theory was unproven. The bacterium…