 During his term, several agreements took place with China's and Pakistan's to be of the most important.In 2002 he became co-chairman of the CERN-JINR joint scientific committee after Jim Allaby's retirement.He was Visiting Professor at the Vrije Universiteit Brussel in 1982, Science and Engineering Research Council Senior Research Fellow 1982–87, a guest scientist at Fermi National Accelerator Laboratory 1986–87, and held an Alexander von Humboldt Foundation Research Award 1995/96.