Subal Kar is a former Professor and Head of the Institute of Radio Physics and Electronics, University of Calcutta, India. His field of specialization is microwave and terahertz (THz) engineering, metamaterials, and high-energy physics. He has three patents to his credit and has published research papers in peer-reviewed international journals. He was visiting scientists at various universities and institutes in the United States, Europe, and Asia, including Lawrence Berkeley National Laboratory, USA, Oxford University, UK, Cockcroft Institute, and Kyoto University, Japan. He is the recipient of the Young Scientist Award of URSI and IEEE MTT, and the Fulbright Award from the US Government.