Early life Bose was born in Calcutta (now Kolkata), the eldest of seven children in a Bengali Kayastha family . He was the only son, with six sisters after him. His ancestral home was in the village Bara Jagulia , in the district of Nadia , in the Bengal Presidency . His schooling began at the age of five, near his home. When his family moved to Goabagan , he was admitted into the New Indian School. In his final year of school, he was admitted into the Hindu School . He passed his entrance examination ( matriculation ) in 1909 and stood fifth in the order of merit. He then joined the intermediate science course at the Presidency College , Calcutta , where his teachers included Jagadish Chandra Bose , Sarada Prasanna Das , and Prafulla Chandra Ray . Bose received a Bachelor of Science in mixed mathematics from Presidency College , standing first in 1913. Then he joined Sir Ashutosh Mukherjee's newly formed Science College where he again stood first in the MSc mixed mathematics exam in 1915. His marks in the MSc examination created a new record in the annals of the University of Calcutta , which is yet to be surpassed . After completing his MSc, Bose joined the Science College, Calcutta University as a research scholar in 1916 and started his studies in the theory of relativity . It was an exciting era in the history of scientific progress. Quantum theory had just appeared on the horizon and significant results had started pouring in . His father, Surendranath Bose, worked in the Engineering Department of the East Indian Railway Company . In 1914, at age 20, Satyendra Nath Bose married Ushabati Ghosh,the 11-year-old daughter of a prominent Calcutta physician.They had nine offspring, two of whom died in early childhood. When he died in 1974, he left behind his wife, two sons, and five daughters . As a polyglot , Bose was well versed in several languages such as Bengali , English, French, German and Sanskrit as well as the poetry of Lord Tennyson , Rabindranath Tagore and Kalidasa . He could play the esraj , an Indian instrument similar to a violin. [15] He was actively involved in running night schools that came to be known as the Working Men's Institute.