Guillermo Fernández-Shaw Iturralde (1893 – 1965) was a Spanish poet and journalist. He is particularly known as a writer of libretti, primarily for zarzuelas. Wikipedia
Fernández Shaw, Guillermo (1893–1965)

Guillermo Fernández-Shaw Iturralde (1893 – 1965) was a Spanish poet and journalist. He is particularly known as a writer of libretti, primarily for zarzuelas. Wikipedia