Dr. Ralph Steinman of Rockefeller University died Friday, three days before he was named a winner of the Nobel Prize in Physiology or Medicine for "his discovery of the dendritic cell and its role in adaptive immunity."
October 3, 2011 The three scientists who won this year's Nobel Prize in Physiology or Medicine opened important windows on how the immune system works to defend against microbial invaders and refrain from attacking animals' cells.
October 3, 2011 American Bruce Beutler, Luxembourg-born Jules Hoffman and Canadian-born Ralph Steinman are being honored for their discoveries about the human immune system.
NPR thanks our sponsors
Become an NPR sponsor