Muntassir Mamoon is a writer, historian, scholar, secularist, translator, and Bangabandhu professor at the University of Dhaka. He was awarded Bangla Academy Literary Award and Ekushey Padak by the Government of Bangladesh.

Mamoon mainly worked on the 19th century East Bengal, Bangladesh, Dhaka City, Liberation War. He wrote about 250 books on these topics including.

He is a leading figure of the civil society movement in Bangladesh, the founder President of Bangladesh Itihas Sammilani & 1971: Genocide-Torture Archive and Museum Trust.

Mamoon was born in 1951. He earned his M.A. and Ph. D. degree from the Department of History of the University of Dhaka.

Mamoon mainly worked on the historical city of Dhaka. He wrote several books about this city, took part in movements to protect Dhaka. Among his historical works on 1971 is his Sei Sob Pakistani, in which many interviews with leading Pakistanis was published. Most of them were the leading Pakistani characters during the liberation war of Bangladesh....

In 2012, Mamoon appeared as a prosecution witness at International Crimes Tribunal-1 which was engaged by the Bangladesh Government to try the war criminals of 1971. In his witness's account, Mamoon said that members of the Peace Committee used to advise Pakistani military leaders about where and how to strike the freedom fighters of Bangladesh.

Winning the lawsuit against General Safiullah on High Court's verdict to maintain the historic locations at Suhrawardy Udyan and all over Bangladesh.

He is the vice president of Ekatturer Ghatak Dalal Nirmul Committee, an advocacy group for the trial of War Criminals of Bangladesh Liberation War.

In 1980s and 1990s, Mamoon wrote and translated some thrillers, horror stories, and science fiction stories.

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