Satis Ranjan Khastgir obtained his PhD (1924) and DSc degree (1926) from the University of Edinburgh, UK. His specialization was in Atmospheric Physics and Radio Engineering. He was Professor and Head, Department of Physics, Presidency College, Kolkata; Professor of Physics, Colombo University; Reader in Physics, University of Dacca; Professor and Head, Department of Physics, Banaras Hindu University; Khaira Professor and Dean, Faculty of Science, University of Calcutta; Head, Department of Physics, Bose Institute, Kolkata.

Academic and Research Achievements: Khastgir worked on atmospherics, namely, the radio disturbances caused by natural sources such as lightning, electrical storms, etc. by means of electromagnetic waves. He made a significant contribution to ionospheric research. His research on electromagnetic wave propagation in the ionosphere is considered to be an extension of JC Bose's pioneering work on electromagnetic waves in the microwave region.

Other Contributions: Khastgir established an active school of research at Bose Institute.

Awards and Honours: Khastgir was President, Physics Section of Indian Science Congress (once). A Fellow of Royal Society of Edinburgh and the National Academy of Sciences (India), Allahabad, he was Senior Member of Institute of Radio Engineers (USA).