Erdos was also apparently more prolific after starting amphetamines, perhaps because he started sleeping significantly less.[1]
[1]: The Man Who Loved Only Numbers, Paul Hoffman, http://www.amazon.com/The-Man-Loved-Only-Numbers/dp/07868840...
Join 4,500+ subscribers and get the best books mentioned on Hacker News every Thursday.
A poignant examination of the mathematician Paul Erdős, and his notion of The Book, "an imaginary book in which God had written down the best and most elegant proofs for mathematical theorems."