David Bedford
@davidb52s
Mathematician and procrastinator.
ID: 31224086
14-04-2009 20:57:52
1,1K Tweet
863 Followers
496 Following
@davidb52s
Mathematician and procrastinator.
ID: 31224086
14-04-2009 20:57:52
1,1K Tweet
863 Followers
496 Following