Biography:

Robert Christopher Elswit, ASC (born April 22, 1950) is an American cinematographer. He has collaborated with Paul Thomas Anderson from 1996 to 2014, winning the Academy Award for Best Cinematography for There Will Be Blood. Elswit has also collaborated with directors and screenwriters Tony and Dan Gilroy on all six films that either brother directed. Description above from the Wikipedia article Robert Elswit, licensed under CC-BY-SA, full list of contributors on Wikipedia.