Chamok Hasan
Nowrin Hasan Chamok, commonly known as Chamok Hasan, is an author, musician, online educator and engineer from Bangladesh. As of 2022, he authored 6 books on mathematics and popular science in Bengali. Chamok debuted as a music producer and playback singer in the 2022 Indian Bengali-language drama film Baba Baby O. In 2023, he wrote and performed "Swapno bonar somoy ekhon" for another Indian film ''Fatafati.''