Dr. Stoltenberg spent a full day touring the installations at the Laboratory an discussing various aspects of present and future European collaboration in sub-nuclear physics . Germany now makes the largest financial contribution to this collaboration and 220 people (including 65 physicists and engineers ) t o German nationality are on the CER staff. The Minister saw several of the experiments on the CERN accelerators in which physicists from universities and sub-nuclear physics Laboratories in Germany are takin g part.