L.S. Peak, a member of the Sydney team, speaking at CERN on 8 September about their experiment

A report on a high energy cosmic ray search which seems to have evidence for quarks appeared in Physical Review Letters on 22 September. Prior to that date, there was a preliminary announcement at the 11th International Conference on Cosmic Ray Physics held at Budapest from 25 August to 4 September, and on 8 September, L. S. Peak, who participated in the experiment with I. Cairns, R. L. S . Woolcott and the team leader C. B. A . McCusker (from the Cornell-Sydney University Astronomy Centre in Australia ) spoke at CERN about their intriguing findings.