One of the most famous scenes in the well renowned film North by North West ,by the legendary director Alfred Hitchcock, is the crop duster scene. it is an outstanding reminder of the visionary power that Mr Hitchcock possessed. the objective of the crop duster was to kill Roger Thornhill, this was a very innovative and unique way of doing so. The audience will not be expecting the crop duster .to be a method of killing Mr Thornhill.This scene is so effective partly because of the suspense that is created prior to the main part of the scene taking place. the long silence build up tension until the crop duster is in sight. as the sound of the crop duster increases in  volume, there are a series of cuts back and forth between Mr Thornhill and the crop duster... finally the crop duster comes dangerously close to Mr Thornhill till he has no choice but to duck for cover, the camera cuts back and forth continue as the crop duster comes around for a second time. as the crop duster comes around to Mr Thornhill for the third time. there is non diegetic background music that begins to play... this is a way in which the tension increases. As Roger Thornhill runs for protection the crop duster can be seen over his shoulder, the particular camera shot used at this time is the tracking shot. Later in the scene Roger Thornhill finds a vehicle through the crops, which was his hiding place, and runs towards it for safety. as the background music .continues to play, there is an identical form of editing uses as the vehicle moves closer and closer to Mr Thornhill. the back and forth cuts between them add .to the excitement of the screen and makes the audience ask questions about what .will happen, until at what seems .to be the last second Roger Thornhill lays on his back as the vehicle harmlessly comes to a halt on top of him. soon after the scene takes a turn for the worst as the crop duster crashes into the rare of the vehicle and subsequently bursts into flames.The well known crop duster scene in North by North West is praised so highly  as the perfect combination of suspense,  special effects and cinematography.