Lincoln was very young when the war of 1971 ravaged his homeland in Bangladesh. As his father and brother left to join the liberation forces, Lincoln and his family were forced to flee their ancestral home. The Pakistani army's habit of burning down houses belonging to freedom fighters made it necessary for Lincoln and his family to move constantly, seeking refuge in remote locations. The memories of war and trauma lingered with Lincoln long after he left these harrowing experiences behind.

Years later, Lincoln became a successful lawyer, but he never forgot the pain and suffering he had witnessed. In 2011, he authored a book titled "মুক্তিযুদ্ধের আঞ্চলিক ইতিহাস: রংপুর", which chronicled the local history of the war and was published by Bangla Academy. Before this he also worked on two other research books called “রঙ্গপুরের বরেণ্য ব্যক্তিত্ব”  and “ রঙ্গপুরের মুক্তিযুদ্ধ” , While doing  his research for all these years, he stumbled upon several invaluable documents and artefacts, and he was driven to collect them and preserve them for posterity.

Lincoln and his wife, Sweety (Nazmun Naher), recognised that these items held great importance to the history of North Bengal. Thus, they decided to establish the North Bengal Museum, which opened its doors in 2012. Their aim was to provide a space where people could learn about their local heritage, particularly in a region that had few museums.

The museum's popularity grew rapidly, and today it houses a collection of over 3,000 articles. As the volume of artefacts grew, Lincoln and Sweety realised that their home could no longer accommodate the museum's most significant pieces. Thus, they sought the support of the Bangladeshi government, which recognised the museum's cultural importance and partnered with it to fund a brand new building project in 2021 which is under construction. The North Bengal Museum stands as a testament to Lincoln and Sweety's dedication to preserving their local history and providing a cultural touchstone for the people of North Bengal.