Ralph Marvin Steinman (January 14, 1943 – September 30, 2011) je was a Canadian aseoroajesara ati aseoroigbe ahamo ara Kanada ni Rockefeller University, to da oro to unje ahamo dendriti ni 1973. "Rockefeller University scientist Ralph Steinman, honored today with Nobel Prize for discovery of dendritic cells, dies at 68". Rockefeller University. October 3, 2011.  http://www.enii.org/upload/doc/doc46ea9bb5885e2.pdf Steinman RM, Cohn ZA (1973). "Identification of a novel cell type in peripheral lymphoid organs of mice. I. Morphology, quantitation, tissue distribution". J. Exp. Med. 137 (5): 1142–62. doi:10.1084/jem.137.5.1142. PMC 2139237. PMID 4573839. //www.pubmedcentral.nih.gov/articlerender.fcgi?tool=pmcentrez&artid=2139237.