Meghnad Saha was an Indian astrophysicist born on October 6, 1893, in what is now Bangladesh. He is best known for developing the Saha ionization equation, which explains how the physical and chemical properties of stars are influenced by their temperature and pressure. This work significantly advanced the field of astrophysics and helped in understanding stellar atmospheres. Saha's contributions extended beyond research; he was also a prominent advocate for science education in India. He played a key role in establishing the Indian Institute of Science and was involved in various scientific organizations. His legacy continues to inspire future generations of scientists.