Interview with Professor Louis J. Ignarro in 1999 by Dr. Nils Ringertz, founder of NobelPrize.org, and Professor Göran Hansson, Karolinska Hospital.

Professor Ignarro talks about how he came to know about being awarded the Nobel Prize; how the Prize has affected his life and work (4:16); and about the key challenges in cardiovascular biology and medicine (8:46).