Dr. Amal Kanti Sarker, the author has completed two masters—MSc (in Nuclear Physics) and MA (in Education) and BEd degree. He has completed the PhD (Jadavpur University) in High Energy Physics, Under Professor Dr. Satyanarayan Banerjee, the then Head of the faculty of JU. His doctoral thesis was highly appreciated by eminent Professor Martin G. Olsson, Professor of Physics, University of Wisconsin Madison, Wisconsin, USA. He started his career as a school teacher (Science) and taught in Dr. Shyamaprosad Mukherjee Institution, Kolkata. He worked as lecturer in All Bengal Teachers’ Training College (Now S P Roy College of Education), Kolkata. He worked as principal (offg) of this college before his retirement. He was associated with IGNOU and NSOU as counsellor. Professor Sarker is the author of a number of useful and popular books in education. He has published over a dozen research papers on High Energy Physics in reputed foreign journals like physics letter A, Acta Physica Polonica, Hadronic Journal, Physica Scripta, etc.