Marguerite Beclard d'Harcourt
Born: 24th February 1884, Paris, France
Died: 2nd August 1964, Paris, France
Nationality: French
Marguerite Béclard d'Harcourt was a French composer and ethno-musicologist. She was born in Paris and studied composition at the Schola Cantorum with Abel Decaux, Vincent d'Indy and Maurice Emmanuel.
She married ethnologist Raoul d'Harcourt and afterward researched South American and Canadian folk music, publishing texts in collaboration with him. She also collected and published folk melodies from Ecuador, Peru, Bolivia and other countries in standard European notation. She died in Paris.
Read more at https://en.wikipedia.org/wiki/Marguerite_Béclard_d'Harcourt