MOTW - Johann Bernoulli

Johann Bernoulli was a Swiss mathematician who studied reflection and refraction of light, orthogonal trajectories of families of curves, quadrature of areas by series and the brachistochrone.

When your contemporaries are Newton, Liebnitz, and L’Hopital, you get the nod!

His biography is too rich and interesting to abbreviate, so read on:

https://mathshistory.st-andrews.ac.uk/Biographies/Bernoulli_Johann/