S.K. Anand took his M.Sc. Degree from I.I.T. Delhi followed by Ph.D. degree from Delhi University. During his study in IIT, he was getting merit scholarship. He has published 18 research papers/reviews in International Journals of repute. He has coauthored seven books on Chemistry for university students. At present he is working as a reader in chemistry in Dyal Singh College, University of Delhi, Delhi.
Dr. Gurdeep R. Chatwal is widely known for writing several popular text books, monographs and encyclopedia on different aspects on chemistry, environmental science and pharmaceutical chemistry. He got his M.Sc. from Roorkee University (Now I.I.T. Roorkee) and Ph.D. from University of Delhi. At present he is working as Reader in Chemistry in D.S. College, University of Delhi. He had also taught in IARI, Pusa, New Delhi, M.M.H. College, Meerut University and S.G.T.B. Khalsa College, Delhi.