 Arnoldo de Winkelried Bertoni

Arnoldo de Winkelried Bertoni (December 28, 1878 – 1973), also known as Arnaldo da Winkelried, was a Paraguayan zoologist born in Switzerland.He was better known as Arnaldo de Wilkelried, his name given in honor of the Swiss soldier Arnold von Wilkelried who died at the Battle of Sempach in 1386.