Eichler-Shimura 1950s + Langlands 1970s: Hecke eigenforms ↔ Dirichlet L-series via L(s, f); Modularity Theorem (Wiles 1995 + Breuil-Conrad-Diamond-Taylor 2001) elliptic curves are modular.
Eichler-Shimura 1950s + Langlands 1970s: Hecke eigenforms ↔ Dirichlet L-series via L(s, f); Modularity Theorem (Wiles 1995 + Breuil-Conrad-Diamond-Taylor 2001) elliptic curves are modular.