Schrödinger equation

Harvey had a tattoo of Schrödinger equation for the wave function of the particle.

It began with ${\frac {8\pi ^{2}}{h^{2}}}$. (AUDIO: The Big Blue Book)

Behind the scenes

Described succinctly, the Schrödinger equation, developed by Erwin Schrödinger in 1926, is a partial differential equation that describes how a non-relativistic quantum state evolves over time.