J.S. Grewal was until recently Professor of Eminence at Punjabi University, Patiala, India, and is presently Life Fellow of the University. Earlier he was Professor and Vice Chancellor at Guru Nanak Dev University, Amritsar, India, and Director and (later) Chairman, Indian Institute of Advanced Stu...

J.S. Grewal was until recently Professor of Eminence at Punjabi University, Patiala, India, and is presently Life Fellow of the University. Earlier he was Professor and Vice Chancellor at Guru Nanak Dev University, Amritsar, India, and Director and (later) Chairman, Indian Institute of Advanced Study, Shimla.