David Gwynn
@gwynndavid
Dad, Grandad, Great Grandad,Physicist, amateur astronomer, ex royal engineer, retired teacher, STEM ambassador. FRAS.
ID: 2766004458
25-08-2014 11:12:01
1,1K Tweet
99 Followers
297 Following
@gwynndavid
Dad, Grandad, Great Grandad,Physicist, amateur astronomer, ex royal engineer, retired teacher, STEM ambassador. FRAS.
ID: 2766004458
25-08-2014 11:12:01
1,1K Tweet
99 Followers
297 Following