Complex sentence: Yuval Ne'eman, student of Abdus Salam, had closely research in physics, Theoretical Physics Group, formed and led by influential group of Pakistani physicists at Imperial College London.
Split into simpler sentences: Yuval Ne'eman, student of Abdus Salam, had closely research in physics. Ne'eman was a member of Theoretical Physics Group (TPG), formed and led by influential group of Pakistani physicists at Imperial College London.