Channel 4 confirm Rachel Riley’s Countdown replacement - Riley first joined Countdown in 2009 as a replacement for Carol ...

RACHEL Riley has been temporarily replaced on Countdown – and by a YouTube star. The Channel 4 words and numbers show will ...

Mathematician Dr Tom Crawford to cover for Rachel Riley on Channel 4’s Countdown - She will be taking a short break from ...

Countdown 's Rachel Riley will be temporarily replaced by YouTube math star, Dr Tom Crawford. It was announced that Riley, ...

Mathematician Dr Tom Crawford will stand in for Rachel Riley on Channel 4's Countdown while she takes a short break to work ...

Dr Tom Crawford’s videos of teaching equations in his underwear have helped him attract more than 200,000 subscribers ...

Dr Crawford is well-known for his Tom Rocks Maths YouTube account, where he has more than 200,000 subscribers, with some of his videos clocking up millions of views. His YouTube videos see him ...

Stepping into her shoes for the time being will be Oxford and Cambridge university mathematician and YouTuber Dr Tom Crawford. Speaking to Reach PLC, Rachel said while working on Countdown and ...

Countdown producers have drafted in mathematician Dr Tom Crawford as her replacement. Dr Crawford appears more than qualified for the role, having obtained a PhD in Fluid Dynamics from the ...