Birch and Swinnerton-Dyer

In the 1960s, B. Birch and H.P.F. Swinnerton- Dyer computed amazing data about elliptic curves, which lead to a fundamental conjecture.
The conjecture is still very much open! For more details, see Wiles's paper at the Clay Math Institute Millenial Problems web page.

In the 1960s, B. Birch and H.P.F. Swinnerton- Dyer computed amazing data about elliptic curves, which lead to a fundamental conjecture.