Joe's research into his great-grandfather's work takes him to Ammendorf, south of Berlin - one of the key sites of Nazi Germany's chemical weapons production.
Listen on SoundCloud| Broadcast Date | 21/05/2025 |
| Broadcaster | BBC Radio 4 |
| Presenter | Joe Dunthorne |
| Producer | Eleanor McDowall |
| Awards | Best Podcast (Nominee, Broadcasting Press Guild Awards 2026), Best History and Best Presenter (Silver, Audio Production Awards 2025), Best Writing and Best Documentary (Silver, Signal Awards 2025) |