What is William C. Campbell (scientist)?
{{nobelprize|Physiology or Medicine}} {{Infobox scientist |name = William C. Campbell |image =William C. Campbell 4983-1-2015.jpg |image_size = |caption = William C. Campbell, Nobel Laureate in medicine in Stockholm December 2015 |birth_name=William Cecil Campbell |birth_date = {{birth date and age|df=y|1930|6|28}} |birth_place = [[Ramelton]], County Donegal, Ireland |death_date = |death_place = |nationality = Irish, American |field = [[Parasitic disease]]s |work_institutions = [[Merck & Co.|Merck Institute for Therapeutic Research]]<br/>[[Drew University]] |alma_mater = [[Trinity College, Dublin]]<br />[[University of Wisconsin]] |doctoral_advisor = |doctoral_students = |known_for = [[Avermectin]] |influences = |influenced = |spouse = |children = |prizes = [[Nobel Prize in Physiology or Medicine]] (2015) |religion = |footnotes = |signature = }} '''William Cecil Campbell''' (born 28 June 1930) is an Irish-born American [[biologist]] and [[parasitologist]]. He is known for his work in discovering a novel therapy against infections caused by [[roundworm]]s. He won the 2015 [[Nobel Prize in Physiology or Medicine]].<ref>{{cite news |title=William C Campbell, Satoshi Ōmura and Youyou Tu win Nobel prize in medicine |url=https://www.theguardian.com/science/2015/oct/05/william-c-campbell-satoshi-omura-and-youyou-tu-win-nobel-prize-in-medicine |access-date=5 October 2015 |work=The Guardian |date=5 October 2015}}</ref> He helped to discover a class of drugs called [[ivermectin]]s.<ref name=nobelprizeorg>{{cite web|title=The 2015 Nobel Prize in Physiology or Medicine – Press Release: William C. Campbell, Satoshi Ōmura, Youyou Tu|url=https://www.nobelprize.org/nobel_prizes/medicine/laureates/2015/press.html|publisher=Nobel Foundation|access-date=8 December 2015}}</ref> Campbell worked at the [[Merck & Co.|Merck Institute for Therapeutic Research]] an