In 1939 Einstein sent this letter to President Roosevelt warning him about the possibility of Germany developing atomic bombs #Einsteinpic.twitter.com/Zq2Qtw0HVY
4:43 PM - 5 Oct 2016
0 replies
2 retweets
7 likes
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.