Quarks and Anomalies

Abstract

A nonperturbative understanding of neutral pion decay was an essential step towards the idea that strong interactions are governed by a color gauge theory for quarks. Some aspects of this work and related problems are still important.

Comments: 18 pages, 2 figures. Contribution to "50 Years of Quarks", ed. H. Fritzsch and M. Gell-Mann, World Scientific (to be published)