It’s called Motor Neurone Disease. Life expectancy is two years.

"The Theory of Everything" new trailer

(Source: eddie-redmayne-blog)

Eddie Redmayne in The Theory of Everything

He[Stephen Hawking] gave Eddie the enormous compliment of saying ‘I thought it was me on screen.’ That tells you a lot about Eddie’s performance. It passed the biggest test. 

―James Marsh, the director of The Theory of Everything (x)

‘Theory of Everything’ stars Eddie Redmayne, Felicity Jones & director James Marsh at #THRTIFF #BreakthroughinFilmawards (x)