Roberto Rodríguez
Roberto Rodríguez Ruelas was a Mexican film director. Brothers Roberto and Joselito Rodríguez were working in Hollywood as sound engineers in 1931 when Mexican President Pascual Ortiz Rubio, on an official visit to the city of Los Angeles, came to hear of their work and personally invited them to return to Mexico to film a sound-movie using the brothers' sound system- the result was the film Santa, 1932.