Screenwriter Mary Flannery
The only way of working that Mary Flannery knows as a screenwriter is to use all his effort to find the perfect formula for each story and that is why the directors he has worked with (among whom you can find Henry Hathaway) have been delighted with his dedication to each project.
A screenwriter like Mary Flannery does very well in the following genres Western. Without a doubt, his great gifts as a screenwriter make us get involved in the films he writes.