He moved to the United States after the outbreak of World War II.
[1] Vale worked in Hollywood and also as a lecturer on film and television writing at the University of Southern California.
Vale's screenplays included The Second Face (1950), Francis of Assisi (1961) and A Global Affair (1964).
In this book, Vale provided many rules for writing screenplays, including that the "primary purpose of every film scene is to transition into the future".
The reviewer said in part "Mr. Vale is the only contemporary novelist of recent years, to my knowledge, who has made so ambitious an attempt to encompass in a single fabric every clue to modern man's devious retreat from engagement.