author
A Finnish travel writer from the late 19th century, remembered for a detailed account of Argentina and Uruguay that brought distant places closer to readers at home. His surviving work has the feel of both a journey and a snapshot of its time.

by Arno Donner, Ossi Donner
Very little biographical information about Arno Donner could be confirmed from reliable online sources available during this search. He is clearly connected with the Finnish-language travel book Matkustus Argentinassa ja Uruguayssa: tietoja näiden La Platan tasavaltain oloista, a work preserved by Project Gutenberg and library records.
That book presents observations on Argentina and Uruguay and reflects a strong interest in travel, society, and conditions in the La Plata region. Today, Donner is mainly known through this historical travel writing, which offers modern listeners a window into how a Finnish author described South America in an earlier era.
Because trustworthy biographical records were scarce, it is best to treat him as an obscure historical author whose reputation rests primarily on this surviving travel narrative.