"fetchez le mathematicien"
https://www.theguardian.com/world/2021/ ... asing-risk
Gowers, a world-leading mathematician and winner of the Fields Medal – sometimes described as the Nobel prize of maths – was described by Cummings as “one of the smartest people on the planet” during evidence to two parliamentary committees.
read all about it here, esp. the two disclaimers in the first sentence.
BTW Gowers calls it the "r value", nuff said.