Kolkata-based photographer and Satyajit Ray's long term associate Hirak Sen passed away this morning. He was suffering from heart -related complications and passed away from the same at the age of 71. Hirak was not only privy to special moments on set and in the life of Satyajit Ray, but also worked on several films with Sandip Ray. Industry colleagues and friends send in their heartfelt tributes, remembering the man behind bringing the life and times of Ray alive.