To DESY via CERN

In 1970, the Schoppers moved to GenevaGeneva. Herwig had been offered a position as head of the laboratory’s Nuclear Physics DivisionCERN, Nuclear Physics Division, and he took unpaid leave of absence from KarlsruheKarlsruhe to take up the post. It was a timely move, since following his first stint at CERNCERN, he’d set up a CERN user group at KarlsruheKarlsruhe, doing experiments at the proton synchrotron (PS) and later the Intersecting Storage Rings (ISR)Intersecting Storage Rings (ISR). The group would later benefit from CERN’sCERN agreement with the Soviet Union, signed in 1967, to go to the world’s highest-energy accelerator of its day at ProtvinoProtvino, near Moscow.