The group around Prof. Zoltan Fodor (Wuppertal) has determined the dynamic origin of the masses of the light hadrons
(Duerr et al., Science Vol. 322 (2008) pp. 1224 - 1227)
using an approach known as "lattice quantum chromodynamics". The extensive numerical calculations necessary for these results were performed on the Jülich supercomputers, provided by grants from the NIC.
Here are some comments about the importance of this work from the magazines
Science
and
Nature.