Book:Niels Henrik Abel/Mémoire sur les équations algébriques ou on démontre l'impossibilité de la résolution de l'équation générale du cinquième degré/Historical Note

Historical Note on
The Abel-Ruffini Theorem, on the general insolubility of the quintic, was solved by in $1823$.

He published this result, together with a complete proof, in a pamphlet in $1824$.

He took this piece of work to Germany and France when he visited in search of recognition for his achievements.

He sent a copy to, who (for whatever reason) did not read it. It was found unopened in among 's papers on his death.