A prize of 
German marks offered for the first valid proof of Fermat's
last theorem (Ball and Coxeter 1987, p. 72; Barner 1997; Hoffman 1998, pp. 193-194
and 199). The prize was collected by Andrew Wiles after his successful proof of the
theorem in the years 1993-1995.
Wolfskehl Prize
See also
Fermat's Last Theorem, Mathematics PrizesExplore with Wolfram|Alpha
References
Ball, W. W. R. and Coxeter, H. S. M. Mathematical Recreations and Essays, 13th ed. New York: Dover, pp. 69-73, 1987.Barner, K. "Paul Wolfskehl and the Wolfskehl Prize." Not. Amer. Math. Soc. 44, 1294-1303, 1997.Hoffman, P. The Man Who Loved Only Numbers: The Story of Paul Erdős and the Search for Mathematical Truth. New York: Hyperion, pp. 193-199, 1998.Referenced on Wolfram|Alpha
Wolfskehl PrizeCite this as:
Weisstein, Eric W. "Wolfskehl Prize." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/WolfskehlPrize.html