In this special edition of Gareth’s Guests, Prof. David Block - astronomer and author, Emeritus Professor at the University of the Witwatersrand - gets to know the remarkable Dr Edith Eger. Dr Eger is a holocaust survivor and psychologist. At 93 years old, she has a stunning amount of experience in the treatment of post-traumatic stress disorder. Following on some insight from her international bestselling book, 'The Choice - Embrace the Possible', she speaks about what she knows for sure about life, and in her way, leaves you looking up in this special one-on-one.

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