বাঙালি পদার্থবিজ্ঞানী চঞ্চল কুমার মজুমদার কবে জন্মগ্রহণ করেন ?
Chanchal Kumar Majumdar (11 August 1938 – 20 June 2000) was an Indian condensed matter physicist and the founder director of S.N. Bose National Centre for Basic Sciences. Known for his research in quantum mechanics, Majumdar was an elected fellow of all the three major Indian science academies – the Indian National Science Academy, the National Academy of Sciences, India, and the Indian Academy of Sciences – as well a member of the New York Academy of Sciences and the American Physical Society. 
11 August 1938