History's Secret Heroes: Series 2: The Extraordinary Cook Sisters

How did Ida and Louise Cook, two opera-loving sisters from England, help dozens of Jewish people escape Nazi Germany?

Helena Bonham Carter shines a light on extraordinary stories from World War Two. Join her for incredible tales of deception, acts of resistance and courage.

A BBC Studios Audio production for BBC Radio 4 and BBC Sounds.

Producer: Suniti Somaiya
Edit Producer: Melvin Rickarby
Assistant Producer: Lorna Reader
Executive Producer: Paul Smith
Written by Alex von Tunzelmann
Commissioning editor for Radio 4: Rhian Roberts