Emilio (Emi) Grau Sala was a Catalan painter. He studied at the Escuela de Bellas Artes de Barcelona.
He was a famous colorist (oil painting, watercolor and pastel) and illustrator.
Having made his debut at the Salon des Humoristes in Paris when extremely young, he had his first one-man show in Barcelona at the age of 18, and went on to have shows of his work throughout the world - Paris, Madrid, London, Buenos Aires, New York.