The correct option is D Dr Ananda Mohan Chakrabarty
Dr Ananda Mohan Chakrabarty was a distinguished Indian-born American microbiologist and scientist who became famous for his notable contribution in the field of genetic engineering. In 1971, Prof. Chakrabarty got notable recognition for development of a genetically engineered Pseudomonas, “an oil eating bacteria” also known as “superbug”.