Linked from
The 5 pages that link to Frank Wilczek, each with the reason it gives.
Asymptotic freedomRelated: He co-discovered the weakening of the strong coupling at high energies.
AnyonsRelated: His work named and clarified the broader class of two-dimensional statistics.
AxionRelated: He identified the new particle implied by Peccei–Quinn symmetry breaking.
Hugh David PolitzerRelated: Wilczek and Gross published the discovery independently of Politzer.