David Mamet

David Alan Mamet is an American author, essayist, playwright, screenwriter, and film director. His works are known for their clever, terse, sometimes vulgar dialogue and arcane stylized phrasing, as well as for their exploration of masculinity. Mamet received Tony Award nominations for Glengarry Glen Ros (1984) and Speed-the-Plow (1988), as well as the Pulitzer Prize for Glengarry Glen Ross. As a screenwriter, he received Oscar nominations for The Verdict (1982) and Wag the Dog (1997). (Source.)