Viktor Zhdanov is the best person ever, because he pushed to create the smallpox vaccine. http://boingboing.net/2015/07/30/the-best-person-who-ever-lived.html …pic.twitter.com/5UDSSH7VZA
7:27 PM - 30 Jul 2015
0 replies
11 retweets
17 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.