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‘By learning about the individual stories, we can try to humanise a number so great as six million’

Joshua Rocker writes about why he decided to produce a film honouring the memory of Holocaust survivor Leon Greenman for artistic exhibition Our Freedom: Then and Now

December 3, 2025 16:26
Joshua Rocker with his installation of a film about Holocaust survivor Leon Greenman at JW3 (Photo: Lou Morris)
Joshua Rocker with his installation of a film about Holocaust survivor Leon Greenman at JW3 (Photo: Lou Morris)
2 min read

The year is 1994. A brick has been thrown through 83-year-old Leon Greenman’s downstairs window. He receives the message that someone is out to kill him. The glass is repaired, but the house has to be covered in wire mesh panels for protection. It looks like a prison. The irony isn’t lost on Leon. Fifty years earlier, he’d been behind wire as a slave labourer in the concentration camps. Leon was the only English survivor of Auschwitz.

Sixty arts centres around the country have been participating in the Our Freedom: Then and Now project, commemorating the end of the Second World War. Last week, JW3 launched their contribution – an exhibition and podcast series reflecting on the Holocaust.

I was one of 15 young creatives who took part, and decided to make a short film to honour Leon. I was only seven when I first met him, but he signed his testimony to me: “Read, think, and tell people.” Looking back, it was quite a responsibility put onto younger me, but I’ve tried my best to keep this promise.

Joshua Rocker at the launch event (Photo: Lou Morris)Joshua Rocker at the launch event (Photo: Lou Morris)[Missing Credit]

The film is displayed on a television inside a metal cage. Despite the theme of the exhibition, Leon was never free. The mesh around his windows was a physical manifestation of mental imprisonment. He couldn’t rebuild his life after the camps, instead becoming fully dedicated to Holocaust education, even when the world wasn’t ready to hear. He was a pioneer (he gave his first public talk in 1946!) and I don’t think he receives anywhere near the recognition he deserves.

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