Jean Le Rond d'Alembert
The life of Jean Le Rond d'Alembert - Calculus Genius and Social Fighter.
Wave Equation
The first solution to the vibrating string problem.
\[ \frac{\partial^2 u}{\partial t^2} = c^2 \frac{\partial^2 u}{\partial x^2} \]
D'Alembert's Principle
Converting a dynamic problem into a static one by introducing inertial forces.
\[ \mathbf{F} - \frac{d\mathbf{p}}{dt} = 0 \]
Sources: https://mathshistory.st-andrews.ac.uk/Biographies/DAlembert/
