Deepak Kumar teaches history of science and education at the Jawaharlal Nehru University, New Delhi. He has researched, published and taught in this area for more than four decades.He is known for his books Science and the Raj (OUP, 1995) and The Trishanku Nation (OUP, 2016). In addition, he has edited several books on histories of technology, medicine and environment in the context of colonial India.