Oscar-winning visual effects artist Scott Farrar on his art form

The chances are you do not recognise Scott Farrar's name, but his work has transported your imagination to some extraordinary places.

The Oscar-winning special effects supervisor is one of the most sought after people in Hollywood.

Credits in his CV include Back to the Future 2 and 3, Return of the Jedi, Cocoon, Chronicles of Narnia, Minority Report and Jurassic Park.

As one of his latest ventures, Transformers 3: Dark of the Moon, goes on general release in the UK on dvd, he took time out to discuss his art form, and how it continues to shape Hollywood.