Y.V.G.S. Murti is a former professor of Physics at the Indian Institute of Technology Madras and Guwahati, India. His principal domains are physics research, teaching, and technology applications of physics. Prof. Murti's research areas are condensed matter, ionic transport phenomena, nonlinear optics and photonics, theoretical simulation of thermodynamics of point imperfections in crystalline materials, and classical and modern optics of materials. He established a school of research on photonics where he experimented on nonlinear wave mixing as well as on the theoretical evaluation of optical nonlinearities of color centers. C. Vijayan has done his M.Sc. and Ph.D. in physics from the Indian Institute of Technology Madras, Chennai, India. His early work includes solid-state transport phenomena and photonic memories. For the last two decades, he has been actively researching on nonlinear optical properties of novel materials. As a physics professor at the Indian Institute of Technology, Madras, he heads the photonics laboratory directing work on quantum confined materials and novel nanophotonic materials, including the ultrafast response of random media and two-dimensional structures. He has authored over 100 scientific papers in journals of repute. He is currently collaborating with several international research groups in the broad area of light-matter interaction.