If you've not seen it Kuru: The Science and The Sorcery is an interesting documentary of Mike Alpers time in PNG

* https://www.youtube.com/watch?v=NJrD1JcmUiE

* https://en.wikipedia.org/wiki/Michael_Alpers

* https://stmarkscollege.com.au/news/remembering-professor-mic...

As a small person in the 1960s / 1970s I'd go along with my aunts on supply runs to PNG for him and others, I met his family in Perth in the early 1980s