In Theory
What Are Feynman Diagrams?
The physicist Richard Feynman devised a system of line drawings that simplified calculations of particle interactions and helped rescue the field of quantum electrodynamics.
Read related article
Select Playlist
Explore All Videos
In Noisy Equations, One Who Heard Music
Experts say Martin Hairer’s epic masterpiece in stochastic analysis “created a whole world.”
A Tenacious Explorer of Abstract Surfaces
Maryam Mirzakhani’s monumental work draws deep connections between topology, geometry and dynamical systems.
A Brazilian Wunderkind Who Calms Chaos
Artur Avila’s solutions to ubiquitous problems in chaos theory have earned him Brazil’s first Fields Medal.
Manjul Bhargava: The Musical, Magical Number Theorist
The search for artistic truth and beauty has led Manjul Bhargava to some of the most profound recent discoveries in number theory.
A ‘Rebel’ Without a Ph.D.
A conversation with the mathematical physicist Freeman Dyson on quantum electrodynamics, climate change and his latest pet project.