Jujjuvarapu Nageswara Rao The author of the book Jujjuvarapu Nageswara Rao has twenty seven years of teaching experience and sent so many graduates, post graduates in his hand. His students are working in reputed educational institutions and research laboratories throughout India. Presently he is working as Assistant Professor of Physics at SRR & CVR Government College (Autonomous) Vijayawada. He completed his post graduation in physics from one of the oldest university, ie., Osmania University, Hyderabad and Master of Philosophy from Sri Venkateswara university, Tirupathi. He had number of publications in International and National Science Journals.