Girolamo Cardano
The life of Girolamo Cardano - The Knife Wielding Gambler
Cubic Solution
The first published solution for general cubic equations.
\[ x = \sqrt[3]{q/2 + \sqrt{q^2/4 + p^3/27}} + \sqrt[3]{q/2 - \sqrt{q^2/4 + p^3/27}} \]
Sources: https://mathshistory.st-andrews.ac.uk/Biographies/Cardan/
