Jayant V. NarlikarJayant V. Narlikar is Emeritus Professor at the Inter-University Centre for Astronomy and Astrophysics, Pune, India. He is author of An Introduction to Cosmology, now in its third edition (Cambridge University Press, 2002), and has been active in teahing and researching cosmology, theoretical astrophysics, gravitation and relativity for nearly five decades. Read More Read Less