Russian billionaire and founder Yuri Milner held a screening of director Matthew Brown's "The Man Who Knew Infinity", a biopic on Ramanujam, over the weekend at the Silicon Valley, which was attended by the Who's Who of US super-elite, according to a source close to the film's unit. "Sundar Pichai (CEO, Google), Sergey Brin (founder, Google), Mark Zuckerberg (founder, Facebook), Brendan Iribe (CEO of Oculus VR), and some other fifty other '1 percenters' of Silicon Valley were at Yuri Milner's house in Los Altos. Yuri hosted a very private screening and dinner for the film and they came out with tears," said a source.