Join Nadia Ragozhina as she talks about rediscovering a branch of her family six decades after contact was lost, researching her family's journeys across the turmoil of the 20th century and writing a book about them. In conversation with the BBC's Babita Sharma

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Two brothers grow up on the Jewish streets of Warsaw. At the turn of the twentieth century, Adolphe leaves - to seek work and start a family in Switzerland. Marcus moves east, inspired by his Communist beliefs. In Moscow, he is arrested and exiled. They would never see each other again.A hundred years later, Marcus’ great-granddaughter, Nadia Ragozhina rediscovers the missing part of her broken family. It is a chance to piece together stories hidden for generations, and find out: were the rumours she heard as a child true? ***

Nadia Ragozhina was born in Moscow and moved to the UK in 2000. She is a senior journalist at BBC World News and has also worked for BBC World Service Radio and France 24 in Paris. Nadia writes and blogs about sustainability and zero waste living, which, other than books and her family, is her passion in life. She lives in London with her husband and two daughters. Worlds Apart is her first book.