Changes

| footnotes  =  

| footnotes  =  

}}

}}

'''Ronald Edwin Hunkeler''' (also known by the [[pseudonym]]s '''Robbie Mannheim''' and '''Roland Doe''';<ref name="name" group="note"/> born 1 June 1935) was known for being [[Demonic possession|possessed]] and later [[Exorcism|exorcised]] during his childhood in the late 1940s.<ref name="Yang2021">{{cite web |last1=Yang |first1=Maya |title=Boy whose case inspired The Exorcist is named by US magazine |url=https://www.theguardian.com/us-news/2021/dec/20/the-exorcist-boy-named-magazine |publisher=[[The Guardian]] |access-date=4 September 2023 |language=English |date=20 December 2021}}</ref><ref name="Terry D. Cooper, Cindy K. Epperson - Pseudonym">{{cite book|url =https://books.google.com/books?id=DXHqjYs3l5kC&q=Thomas+B.+Allen#v=onepage&q=Thomas%20Allen&f=false|title= Evil: Satan, Sin, and Psychology|quote=In 1949, just outside of Washington, DC, a thirteen-year-old boy, who lived with his two parents and grandmother, began to experience some very strange phenomena. We'll call this boy Robbie, the fictional name given to him by historian Thomas Allen, who has written a very sober and fascinating account of this entire case.|publisher=[[Paulist Press]]|accessdate = 2010-04-02}}</ref> The events which were reported in the media of the time and the occurrences surrounding those events went on to inspire the 1971 novel ''[[The Exorcist]]'' by [[William Peter Blatty]] and the 1973 film of the same name, as well as Thomas B. Allen's own 1993 book ''Possessed'' and the following 2000 television film by the same name. Ronald Edwin Hunkeler, as an adult, served as an engineer for the [[National Aeronautics and Space Administration]] (NASA) whose "work contributed to the Apollo space missions of the 1960s and who patented a technology that helped space shuttle panels withstand extreme heat."<ref name="Yang2021"/>  

'''Ronald Edwin Hunkeler''' (also known by the [[pseudonym]]s '''Robbie Mannheim''' and '''Roland Doe''';<ref name="name" group="note"/> born 1 June 1935 and died 10 May 2020) was known for being [[Demonic possession|possessed]] and later [[Exorcism|exorcised]] during his childhood in the late 1940s.<ref name="Yang2021">{{cite web |last1=Yang |first1=Maya |title=Boy whose case inspired The Exorcist is named by US magazine |url=https://www.theguardian.com/us-news/2021/dec/20/the-exorcist-boy-named-magazine |publisher=[[The Guardian]] |access-date=4 September 2023 |language=English |date=20 December 2021}}</ref><ref name="Terry D. Cooper, Cindy K. Epperson - Pseudonym">{{cite book|url =https://books.google.com/books?id=DXHqjYs3l5kC&q=Thomas+B.+Allen#v=onepage&q=Thomas%20Allen&f=false|title= Evil: Satan, Sin, and Psychology|quote=In 1949, just outside of Washington, DC, a thirteen-year-old boy, who lived with his two parents and grandmother, began to experience some very strange phenomena. We'll call this boy Robbie, the fictional name given to him by historian Thomas Allen, who has written a very sober and fascinating account of this entire case.|publisher=[[Paulist Press]]|accessdate = 2010-04-02}}</ref> The events which were reported in the media of the time and the occurrences surrounding those events went on to inspire the 1971 novel ''[[The Exorcist]]'' by [[William Peter Blatty]] and the 1973 film of the same name, as well as Thomas B. Allen's own 1993 book ''Possessed'' and the following 2000 television film by the same name. Ronald Edwin Hunkeler, as an adult, served as an engineer for the [[National Aeronautics and Space Administration]] (NASA) whose "work contributed to the Apollo space missions of the 1960s and who patented a technology that helped space shuttle panels withstand extreme heat."<ref name="Yang2021"/>  

==Early life==

==Early life==