K. R. N. Rao is an Indian physicist known for his contributions to the field of solid-state physics. He has made significant advancements in understanding the properties of materials, particularly in the areas of magnetism and superconductivity. His research has been influential in both academic and industrial applications. In addition to his research, Rao has held various academic positions, including professorships at several prestigious institutions. He has published numerous papers and has been involved in mentoring young scientists, contributing to the growth of the scientific community in India and beyond.