Heinrich Rudolf Hertz
The life of Heinrich Rudolf Hertz - The Useless Waves
Wave Equation
Proving the existence of electromagnetic waves predicted by Maxwell.
\[ \nabla^2 \mathbf{E} = \mu_0 \varepsilon_0 \frac{\partial^2 \mathbf{E}}{\partial t^2} \]
Sources: https://mathshistory.st-andrews.ac.uk/Biographies/Hertz_Heinrich/
