The Scientist Who Runs at Night
Professor Sujoy Kumar Guha has spent almost 50 years developing the world’s only reversible male contraceptive drug. Every night, he goes for a jog to work through the next set of problems.


Professor Sujoy Kumar Guha has spent almost 50 years developing the world’s only reversible male contraceptive drug. Every night, he goes for a jog to work through the next set of problems.