Swapna Liddle is a historian by training, having done a PhD on 19th century Delhi. For many years she has also been closely involved in the movement to preserve historic sites and monuments, and is associated with the Indian National Trust for Art and Cultural Heritage (INTACH). She works to popularise history and the cause of heritage protection through talks, heritage walks, and social and mainstream media. Her most recent books are The Broken Script: Delhi Under The East India Company And The Fall of The Mughal Dynasty, 1803-1857; and Shahjahanabad: Mapping a Mughal City.