Mathematician Dr Tom Crawford to cover for Rachel Riley on Channel 4s Countdown
Mathematician Dr Tom Crawford will stand in for Rachel Riley on Channel 4’s Countdown while she takes a short break to work on another project, it has been announced. 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 make “elite mathematics teaching available to everyone”, and […]