Fearne Cotton
- Episode aired Aug 24, 2017
Fearne Cotton learns about her Welsh great-grandfather who worked down a coal mine at 13 and ended up as a chemist.Fearne Cotton learns about her Welsh great-grandfather who worked down a coal mine at 13 and ended up as a chemist.Fearne Cotton learns about her Welsh great-grandfather who worked down a coal mine at 13 and ended up as a chemist.