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Rachel Riley exits Countdown as her ‘brilliant’ replacement revealed as Dr Tom Crawford

Rachel Riley has revealed she’s temporarily taking a step back from her role on Channel 4’s Countdown

The maths expert will appear on screen for the next three weeks and his first episode will air on Monday February 24, as confirmed on Tom’s Instagram post. Meanwhile, the guests in Dictionary Corner, include Sir Stephen Fry, Jenny Powell and Vick Hope. Meanwhile, Dr Tom commented: “All of my work online is about sharing my love of Maths with the world whilst trying to make it accessible for everyone.

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