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Radhagobinda Chandra (Bengali: রাধা গোবিন্দ চন্দ্র) (July 16, 1878 - April 3, 1975) was a Bangladeshi-Indian astronomer. He was a pioneer of observational astronomy in the region of Bengal, comprising modern-day Bangladesh and West Bengal. He was born in Bangladesh when this country was a part of British India. Radha Gobinda is especially famous for his observation of variable stars. He observed more than 49,700 variable stars and became one of the first international members of American Association of Variable Star Observers.〔''(The AAVSO and International Cooperation )'' - official website of AAVSO.〕 ==Biography== Radha Gobinda was born in a small village named ''Bagchar'' in the district proper of Jessore in Bangladesh on July 16, 1878. His father, ''Gorachand'' was the assistant of a local doctor and mother, ''Padmamukh'', was a housewife. His primary education started in ''Bakchar School''. After passing from here he was admitted in Jessore Zilla School at the age of 10. At this time Chandra started observing the stars in the sky by naked eye. But he was not that interested in formal education. Instead his main interest was centered on the mysterious night sky. Due to this lack of attention in formal education he failed to pass Secondary School Certificate (SSC) three times subsequently. In 1899, at an age of 21, Radhagobinda married ''Gobinda Mohini'', a girl from Murshidabad who was just 9 years old at that time. Together they had a boy named ''Kal'' (English: time) and a girl named ''Barsha'' (English: rain). After marriage Chandra attended the SSC exam for the last time and failed again. Due to these failures he left formal education and planned to start a job. After searching a job for two years he was finally able get a job of ordinary treasurer in Jessore collectorate office. Then his monthly salary was only 15 Taka. Later he became treasury clerk and after that chief treasurer of in this office. From a very early age he had immense interest in Astronomy and later in life started doing amateur astronomy on his own. When he was in grade 6 at school they used to had a textbook called ''Charupath'' from where he read an inspiring prose on Astronomy and Cosmology by Bengal writer Akshay Kumar Datta. He wanted to become an astronomer reading this. Later he wrote about this in his autobiography,〔A biography of Radha Gobinda Chandra, Science World (Bengali language monthly magazine), February 2007〕 He was first practically introduced with the sky when he got scientific apprenticeship with a lawyer named Kalinath Mukherjee who was then editing the ‘Star Atlas’. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Radha Gobinda Chandra」の詳細全文を読む スポンサード リンク
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