What is John Hartnell?
'''John Hartnell''' was an explorer in the [[Franklin Expedition]] (Franklin's Lost Expedition). He died early in the trip. <ref>{{Cite web|url=http://nunatsiaq.com/stories/article/65674fingernail-toenail_study_offers_insights_into_why_franklin_crew_died/|title=Nunatsiaq News 2016-12-09: NEWS: Fingernail-toenail study offers insights into why Franklin crew died|website=nunatsiaq.com|access-date=2018-11-23}}</ref> ==Death== Studies showed that Hartnell may have died from a [[zinc]] deficiency. <ref>{{Cite web|url=http://nunatsiaq.com/stories/article/65674fingernail-toenail_study_offers_insights_into_why_franklin_crew_died/|title=Nunatsiaq News 2016-12-09: NEWS: Fingernail-toenail study offers insights into why Franklin crew died|website=nunatsiaq.com|access-date=2018-11-23}}</ref> ==References== {{reflist}} {{DEFAULTSORT:Hartnell, John}} [[Category:British explorers]] [[Category:1846 deaths]] [[Category:1820s births]] {{bio-stub}}