Ishi, the last American native to abandon the wild

Ishi, shortly after "self surrender" in 1911

Ishi, "The Last Yahi" - documentary movie trailer: http://www.youtube.com/watch?v=dlt6k7tn3ME

"Know When To Fold 'Em" - Stories about when "enough is enough."
http://www.thisamericanlife.org/radio-archives/episode/432/know-when-to-fold-em

These four of these stories are good.

My personal favorite is "SOLITAIRE AND EVERYTHING'S WILD" about a Brazilian native, the last of his tribe. http://www.thisamericanlife.org/radio-archives/episode/432/know-when-to-fold-em?act=4

In this same sequence, "Gin Rummy" - a study of an alcoholic "wet house" - is also superb. http://www.thisamericanlife.org/radio-archives/episode/432/know-when-to-fold-em?act=3

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Speaking about "the last of his tribe," check out Ishi, the last North American native to leave the wild. http://en.wikipedia.org/wiki/Ishi 

The Cal Berkeley anthropologist entrusted with Ishi's transition and care was Ursula LeGuin's father, Alfred Kroeber. 

http://en.wikipedia.org/wiki/Alfred_Kroeber

http://en.wikipedia.org/wiki/Ursula_leguin