Helen Mutch
Helen Manchester Gates was an American writer, translator, and dramatist, best known for her English translations of Spanish-language plays.
She became known by her married names, Helen Huntingdon and Helen Granville-Barker, and was involved in literary and theatrical circles on both sides of the Atlantic.
In particular she translated plays by María Lejárraga, often published under the name Gregorio Martínez Sierra. Her translations were staged (for example, The Romantic Young Lady in London in 1920 and The Kingdom of God in Dublin in 1924), contributing to the international reception of Lejárraga's work.
Biography fallback source: Wikipedia