Luis Marquina
Bio: Luis Marquina Pichot (Barcelona, May 25, 1904-Madrid, June 26, 1980) was a Spanish sound engineer, screenwriter, producer and film director.
Son of the playwright Eduardo Marquina and by maternal branch of the Pitxot family (whose surname he Spanishized to Pichot) in whose family he had three artist uncles: Ramón, painter; Ricardo, cellist and student of Pau Casals; Luis, violinist; and María, opera singer known as María Gay