Ajay Kumar Mishra (MSc, MPhil, PhD, FRSC) is Professor at the Department of Chemistry, Durban University of Technology, Durban, South Africa, Professor at Department of Chemistry KIIT University, Bhubaneswar, India and Director at Nanotechnology and Waste Water Innovations, Johannesburg, South Africa. He also holds an adjunct and visiting professorship at Bashkir State University, Russia, Robert Gordon University, UK, Hebei University of Science and Technology & Jiangsu University, China. His research interests include the synthesis of multifunctional nanomaterials, biobased materials including polymers, carbon nanomaterials, composite/nanocomposite materials and wastewater research. Prof Mishra has published around 160 papers in peer-reviewed international journals and also represented in 150 or more papers in various conferences. He has edited more than 32 books and contributed over 65 book chapters in various peer reviewed edited books by established publishers Chaudhery Mustansar Hussain, PhD is an Adjunct Professor and Director of Labs in the Department of Chemistry & Environmental Sciences at the New Jersey Institute of Technology (NJIT), Newark, New Jersey, USA. His research is focused on the applications of Nanotechnology & Advanced Technologies & advanced Materials, Chemistry, Environment, and Various Industries. Dr. Hussain is the author of numerous papers in peer-reviewed journals as well as prolific author and editor of several (around 50 books) scientific monographs and Encyclopedia s in his research areas published with Elsevier, Royal Society of Chemistry, John Wiley & sons, CRC, Springer etc.