Self-taught Indian math genius battles prejudice. Year 2016 Theatrical Release 2016-04-29 Video Release 2016-08-23 Studio IFC Films Genre Drama MPAA Rating PG-13 CARA some thematic elements and smoking Color Color Runtime 108 Animated Live-Action Full Synopsis Written and directed by Matthew Brown, The Man Who Knew Infinity is the true story of friendship that forever changed mathematics. In 1913, Ramanujan Dev Patel , a self-taught Indian mathematics genius traveled to Trinity College, Cambridge, where he forged a bond with his mentor, the eccentric professor GH Hardy Jeremy Irons , and fought against prejudice to reveal his mathematic genius to the world. Director Matthew Brown Cast Matthew Brown; Dev Patel; Jeremy Irons; Devika Bhise; Stephen Fry; Toby Jones; Jeremy Northam