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May 7, 2025

29 minutes

Available for over a year

Joe's research into his great-grandfather's work takes him to Ammendorf, south of Berlin - one of the key sites of Nazi 's chemical weapons production.

Written and presented by Joe Dunthorne

Produced by Eleanor McDowall

Music by Jeremy Warmsley

Mixing engineer, Mike Woolley

Story consultant, Sarah Geis

Executive producer, Alan Hall

A Falling Tree production for BBC Radio 4