Another photo showed the happy couple cradling their baby girl Maven in front of a Christmas tree.
Speaking about her year of ups and downs, Rachel mused: “2019 it was the best of times, it was the worst of times. This was easily the hardest year of my life, but now with my babe in arms, the best too!
“I have the best friends, family & supporters in the world, I couldn’t have got through without you all. Happy 2020 lovely people.”(sic)
The maths whizz also included a screenshot of an article where she was honoured at the sixth annual Algemeiner Jewish gala held in New York City for her work with raising awareness on antisemitism.