What is Ralph Steinman?
{{Infobox scientist | name = Ralph Steinman | image = RMSt.jpg | image_size = | alt = | caption = | birth_name = Ralph Marvin Steinman | birth_date = {{birth date|1943|1|14}} | birth_place = [[Montreal]], [[Quebec]], [[Canada]] | death_date = {{death date and age|2011|9|30|1943|1|14}}<ref name=rockefeller>{{cite web|url=http://newswire.rockefeller.edu/?page=engine&id=1192|title=Rockefeller University scientist Ralph Steinman, honored today with Nobel Prize for discovery of dendritic cells, dies at 68|date=October 3, 2011|publisher=Rockefeller University|access-date=October 5, 2011|archive-date=December 25, 2018|archive-url=https://web.archive.org/web/20181225130040/https://www.rockefeller.edu/news/?page=engine&id=1192|url-status=dead}}</ref> | death_place = [[Manhattan]], [[New York (state)|New York]], [[United States|U.S.]] | citizenship = [[Canadian nationality law|Canadian]] | nationality = [[Canadians|Canadian]] | fields = [[Immunology]] and [[cell biology]] | workplaces = [[Rockefeller University]], [[New York City]] | alma_mater = [[McGill University]]<br />[[Harvard University]] | academic_advisors = Elizabeth Hay (Harvard)<br />James G. Hirsch and Zanvil A. Cohn (Rockefeller University)<ref>{{Cite web |url=http://www.enii.org/upload/doc/doc46ea9bb5885e2.pdf |title=Archived copy |access-date=2011-10-05 |archive-date=2012-04-25 |archive-url=https://web.archive.org/web/20120425044647/http://www.enii.org/upload/doc/doc46ea9bb5885e2.pdf |url-status=dead }}</ref> | known_for = Discovery of dendritic cells and its role in adaptive immunity | awards = 2011 [[Nobel Prize in Physiology or Medicine]] (posthumous) }} '''Ralph Marvin Steinman''' (January 14, 1943 – September 30, 2011) was a [[Canadians|Canadian]] [[Immunology|immunologist]] and [[Cell biology|cell biologist]] at [[Rockefeller University]]. He studied a kind of [[cell]] in the [[immune system]] and called them ''[