Irons will play G.H. Hardy, the English mathematician who plucked Ramanujan from obscurity in Edwardian India and installed him in Cambridge University.
The film will be directed by Matthew Brown, who also wrote the screenplay based on the biography “The Man Who Knew Infinity: A Life of the Genius Ramanujan” by Robert Kanigel.
Edward R. Pressman and Prashita Chaudhary of Cinemorphic are producers, along with Jim Young under his Animus Films banner, and Sofia Sondervan of Dutch Tilt Film.
Irons won the Academy Award for actor for his performance as Claus von Bulow in “Reversal of Fortune.” Other film credits include “The French Lieutenant’s Woman,” “The Mission” and “Dead Ringers.”