Rachel Riley, Maths expert, Gadget Show & Countdown host, MBE for services to Holocaust education grew up in Essex by way of Manchester. We talk about the astonishing story of her Jewish mother’s family escaping from what’s now Russia, the family member who was stabbed by a mounted Kossack and ended up a Gaucho in Argentina, taking in Ukrainian refuge, spontaneously marrying her Strictly co-star, Russian dancer Pasha Kovalev in Las Vegas, roping in Robbie Williams for the entertainment, wildlife watching in the Galapagos…using maths to get good travel deals and so much more.  Learn more about your ad choices. Visit megaphone.fm/adchoices