René Blum (13 March 1878--September 1942) was the founder of the Ballet de l'Opéra at Monte Carlo and was the younger brother of Prime Minister Léon Blum.
René Blum (13 March 1878--September 1942) was a French theatrical impresario. He was the founder of the Ballet de l'Opéra at Monte Carlo and was the younger brother of Prime Minister Léon Blum.