Tracking down the last survivors of the Bengal famine

The 72-year-old is warm, has a youthful air, and smiles easily. You can see why people like Bijoykrishna open up to him. He travels around the countryside in his open-toed sandals, whatever the weather, with his backpack and a supply of roll-up cigarettes. He is old-school, taking down the testimonies with pen and paper.