 León Cadogan

León Cadogan (29 July 1899 – 30 May 1973) was a Paraguayan ethnologist who made significant contributions to the study of Guaraní language and culture.León Cadogan was born in Asunción a few months after his Australian parents, John Cadogan (Welsh origin) and Rose Stone (Polish father and Irish mother) who previously used the name Rose Summerfield by her first marriage, came to Paraguay as part of a group of a few hundred people who migrated there in 1893 and 1894.