IMDb 7.2 2016 HD

The Man Who Knew Infinity

The Man Who Knew Infinity

2016
Drama History
108 min PG-13 USA
7.158 / 10
7.2 IMDB

Growing up poor in Madras, India, Srinivasa Ramanujan Iyengar earns admittance to Cambridge University during WWI, where he becomes a pioneer in mathematical theories with the guidance of…

Personnel // Cast & Crew

Director San Davey / Liam Shaw / Jennie Fava / Matt Brown / Lydia Currie
Starring
Dev Patel / Jeremy Irons / Toby Jones / Devika Bhise / Stephen Fry / Kevin McNally / Jeremy Northam / Anthony Calf

How Viewers Describe This Film

Common themes and sentiments

inspiring intellectual poignant brilliant challenging emotional historical respectful moving dramatic thoughtful insightful

Reviews

G
Genevieve Dubois
Apr 16, 2026
4.0 / 5
4.0

This is a film that celebrates the sheer, unadulterated power of intellect and the human capacity for connection. Dev Patel is utterly captivating as Srinivasa Ramanujan, a man whose mind operated on a plane far removed from the…

M
Marcus Bellweather
Apr 16, 2026
3.0 / 5
3.0

The story of Srinivasa Ramanujan Iyengar is undoubtedly fertile ground for cinema, and 'The Man Who Knew Infinity' tackles it with admirable intent. Dev Patel anchors the film with a performance that is both spirited and sensitive, embodying…

I
Isabella Croft
Apr 16, 2026
4.5 / 5
4.5

A truly inspiring tale, 'The Man Who Knew Infinity' shines a much-needed spotlight on Srinivasa Ramanujan, a genius whose contributions were almost lost to history. Dev Patel is simply luminous as Ramanujan, capturing both his childlike wonder and…

A
Arthur Pendelton
Apr 16, 2026
3.5 / 5
3.5

This biographical drama offers a fascinating glimpse into the mind of Srinivasa Ramanujan, brought to life with earnest energy by Dev Patel. The film highlights his extraordinary, almost mystical, mathematical insights and his challenging collaboration with the more…

E
Eleanor Vance
Apr 16, 2026
4.0 / 5
4.0

Dev Patel delivers a career-defining performance as Srinivasa Ramanujan, the self-taught mathematical prodigy whose brilliance transcends cultural divides. 'The Man Who Knew Infinity' is a beautifully crafted tribute, charting Ramanujan's journey from impoverished Madras to the hallowed halls…

FAQs

The film cultivates a tone that is both intellectually stimulating and emotionally resonant. It balances the cerebral world of mathematics with the personal struggles and triumphs of its protagonist. The atmosphere shifts from the vibrant, yet impoverished, streets of Madras to the more formal, sometimes insular, environment of Cambridge. Despite the historical setting and academic focus, the narrative maintains a sense of warmth and humanity, driven by the central relationship and Ramanujan's unwavering passion.