The New York Academy of Sciences
Renowned for his discovery of dendritic cells, the cell biologist and immunologist died Friday of pancreatic cancer, just days before the prize announcement.
"I don't like superlatives," Ralph M. Steinman wrote in The New York Academy of Sciences Magazine, "but if I had to try to describe my most important accomplishment, it was to discover a new dendritic cell lineage of white blood cells and to show that it initiates and controls immunity. . . ."
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