Internationally renowned mathematician who, with his brother Peter, calculated the value of pi to a new world record.

Internationally renowned mathematician who, with his brother Jonathan, calculated the value of pi to a new world record.

Designed and developed electronic filters

Invented mathematical bioeconomics

Quantum physics mathematician: constructed a number of quantum field theories

Co-discovered a new class of infinite dimensional Lie Algebras, which are now called Kac-Moody algebras