This author of The Water-Engine also wrote a play which consists of an argument between Bobby Gould and Charles Fox, and one about the theft of sales leads from a real estate agency by Dave Moss and Shelley Levene.  
He discussed the movie industry and advised the flood of young filmmakers coming to Hollywood to go back in his work Bambi vs Godzilla, while Don Dubrow, Teach Cole, and Bobby plot to steal a coin collection from Fletcher in this man's play American Buffalo.  In another of this man's plays, Morton Gross and Lawrence Oberman are two attorneys who meet the inventor of the title device, Charles Lang.  This author of The Water-Engine also wrote a play which consists of an argument between Bobby Gould and Charles Fox, and one about the theft of sales leads from a real estate agency by Dave Moss and Shelley Levene.  For 10 points—name this author of Speed-the-Plow and Glengarry Glen Ross.
He discussed the movie industry and advised the flood of young filmmakers coming to Hollywood to go back in his work Bambi vs Godzilla, while Don Dubrow, Teach Cole, and Bobby plot to steal a coin collection from Fletcher in this man's play American Buffalo.  
David {Mamet}