https://en.wikipedia.org/wiki/The_Man_Who_Knew_Infinity_(film) I saw this the other day it's a great movie about Srinivasa Ramanujan who was bought over to Cambridge University and faced troubles from his Indian family, world war one and TB but still gave the world of maths a massive breakthrough. https://en.wikipedia.org/wiki/Srinivasa_Ramanujan#Mathematical_achievements
