Pratim Kumar Chattaraj, PhD, is a distinguished visiting Professor at Birla Institute of Technology Mesra, India. He was an Institute Chair Professor at Indian Institute of Technology Kharagpur, India. He is a Fellow of the World Academy of Sciences, Royal Society of Chemistry, and all three science academies of India, as well as a Sir J.C. Bose National Fellow. Debdutta Chakraborty, PhD, is an Assistant Professor at Birla Institute of Technology Mesra, India.