Sisir Mitra - A Lifestory

Sisir Kumar Mitra was a prominent Indian physicist and academic, renowned for his significant contributions to the field of ionospheric physics and radio science. Born in 1890, his academic journey began at Presidency College, Calcutta, where he excelled, later joining the faculty of the University of Calcutta. Mitra's research focused on the Earth's upper atmosphere, specifically the ionosphere, a region critical for radio wave propagation. He meticulously studied the ionospheric layers and their influence on radio communications, laying the groundwork for advancements in radio technology and understanding of atmospheric phenomena.

Mitra's dedication extended beyond research. He played a crucial role in establishing radio science as a recognized field of study in India, nurturing a generation of scientists and engineers. His efforts led to the establishment of advanced research facilities and the promotion of scientific inquiry. He authored the seminal book "The Upper Atmosphere," a comprehensive treatise that became a standard reference for researchers worldwide, solidifying his position as a leading authority in the field. Beyond his scientific achievements, Sisir Kumar Mitra was also deeply involved in promoting science education and awareness in India, contributing significantly to the growth of scientific temper in the nation. His legacy continues to inspire scientists and researchers in the field of atmospheric physics and radio science.