Walter C. Pfister (born July 8, 1961) is an American director and former cinematographer, who is best known for his work with filmmaker Christopher Nolan. Some of his collaborations with Nolan include Memento (2000), The Dark Knight Trilogy (2005–2012), and Inception (2010). For his work on Inception, Pfister won an Academy Award for Best Cinematography and received a BAFTA Award nomination. Description above from the Wikipedia article Wally Pfister, licensed under CC-BY-SA, full list of contributors on Wikipedia.