Ataahua sends this in: Dr Sagar, who has worked on Spiderman 2, King Kong and Avatar, began professional life as an engineering PhD, creating an eye surgery simulator that took him to Massachusetts Institute of Technology. While there he worked in a lab that drew in businessmen looking to use digital technology for movies…Dr Sagar pioneered the use of the facial action coding system in motion capture for digital characters, a system originally devised by psychologist Paul Ekman to identify and classify facial expressions. This system has been credited with capturing the subtlety of emotion in the faces of digital characters in Weta blockbusters King Kong and Avatar, which have been widely acclaimed in the movie world. More..