RACHEL Riley has been replaced on Countdown in a shock move – and by a YouTube star.
The Channel 4 questions and numbers show will undergo its biggest shakeup in recent years.
Rachel Riley has been replaced on Countdown[/caption]
Dr Tom Crawford – pictured – will temporarily take over the role as Rachel films a new project[/caption]
Rachel, 39, will temporarily step away from the daytime hit to focus on another project.
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 University of Cambridge.
The YouTuber also completed a maths degree from the University of Oxford.
