John Wilson on:

The journalist and broadcaster who became synonymous with the British chat show, Sir Michael Parkinson.

Italian soprano Renata Scotto, one of the biggest stars of opera in the 1960s and 70s

John Brierly, the author of bestselling guidebooks to the Camino de Santiago pilgrimage route

The teacher, anthropologist and communist Isobel Crook who lived and worked in China for most of her life.

Producer: Ed Prendeville

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