Most of the biographical materials are extracted from S.K. Biswas, "Debiprasad Chattopadhyaya – The Modern Indian Sage", Current Science, Vol 65 No 11, 10 December 1993, pp. 889–891 [1]
Needham, Joseph. "Science and Society in Ancient India". kpbagchi.com. K.P. Bagchi and Company. Retrieved 10 July 2015. Publisher's website citing the book's blurb