Nakshatra Bahadur Singh
N. B. Singh is a professor at the School of Basic Sciences and Research, Sharda University, Greater Noida, India. He has been the head of the Chemistry Department and dean of the Faculty of Science, Deen Dayal Upadhyaya Gorakhpur University, India. He was a postdoctoral fellow at the Free University of Brussels, Belgium, during 1973–1974 and has received the prestigious Alexander von Humboldt fellowship (Germany) in 1977. Prof. Singh has been teaching postgraduate and undergraduate classes in chemistry and materials science for the last 50 years and has worked at various universities in Germany. His main areas of research are materials science, solid state chemistry, cement chemistry, thermodynamics, and water purification.