David Gross
@DGBSB67
A teacher at an International school near barcelona with a love for maths science and asking why.
ID:910243937889259520
19-09-2017 20:47:21
60 Tweets
66 Followers
28 Following
@DGBSB67
A teacher at an International school near barcelona with a love for maths science and asking why.
ID:910243937889259520
19-09-2017 20:47:21
60 Tweets
66 Followers
28 Following