%0 Journal Article %T 40th Anniversary of the First Proton-Proton Collisions in the CERN Intersecting Storage Rings (ISR) %A U. Amaldi %A P. J. Bryant %A P. Darriulat %A K. Hubner %J Physics %D 2012 %I arXiv %X No Abstract of this Colloquium %U http://arxiv.org/abs/1206.4876v1