Complex sentence: The memorial was famously used as the location of the climactic chase scene in Alfred Hitchcock's 1959 movie "North by Northwest"-the scene was developed in the course of screenwriting, as Hitchcock and scriptwriter Ernest Lehman were struggling to develop an idea.
Split into simpler sentences: The memorial was famously used as the location of the climactic chase scene in Alfred Hitchcock's 1959 movie "North by Northwest". The scene was developed in the course of screenwriting, as Hitchcock and scriptwriter Ernest Lehman were struggling to develop an idea.