COUNTDOWN'S'S QUEEN: RACHEL RILEY REIGNS SUPREME

Rachel Riley has conquered the world of Countdown for over a decade. With her brilliant mind and laser-focused concentration, she cracks even the trickiest clues with flair. Her viewers are enthralled by her cognitive prowess and her witty personality. She's not just a Countdown legend, she's a icon for everymath whiz. The Clever Contraptions of