Satyendra Nath Bose (Bengali: সত্যেন্দ্রনাথ বসু) , FRS (1 January 1894 – 4 February 1974) was an Indian physicist specialising in mathematical physics. He is best known for his work on quantum mechanics in the early 1920s, providing the foundation for Bose–Einstein statistics and the theory of the Bose–Einstein condensate. A Fellow of the Royal Society, he was awarded India's second highest civilian award, the Padma Vibhushan in 1954 by the Government of India.