Meghnad Saha FRS (6 October 1893 – 16 February 1956) was an Indian Bengali astrophysicist best known for his development of the Saha equation, used to describe chemical and physical conditions in stars. He was the first director of Indian Association for the Cultivation of Science (IACS), the oldest research institute in India.
1.) Meghnad Saha, scientist with a vision. National Book Trust, India. 1984. p. 5. "Even though he later came to be known as an atheist, Saha was well-versed in all religious texts— though his interest in them was purely academic."
2.) Robert S. Anderson (2010). Nucleus and Nation: Scientists, International Networks, and Power in India. University of Chicago Press. p. 602. ISBN 9780226019758. "a self-described atheist, saha loved swimming in the river and his devout wife loved the sanctity of the spot. swimming and walking were among the few things they could do together."