Bose, Satyendranath [Satyendra Nath] (1894–1974), physicist, was born on 1 January 1894 in Calcutta, the only son and eldest of the seven children of Surendranath Bose (1867/8–1964), an accountant with the East Indian Railways, and later one of the founders of a small chemical and pharmaceutical company, and his wife, ...