A wrong number to a friend in Sri Lanka leads Saswato Das to the final interview with a famous science fiction writer.

Saswato R. Das has written about science and technology for more than two decades for publications that include the Economist, Scientific American, New Scientist, the International Herald Tribune/ New York Times global edition, the Los Angeles Times, Newsday, the Times Literary Supplement (UK), the Times of India, IEEE Spectrum, the Bell Labs Technical Journal, etc. He has a background in astrophysics and has taught undergraduate astronomy within the CUNY system.

This story originally aired on November 17, 2013.