In 2009, Rudolf Brazda, one of the last known survivors of the Pink Triangles, returned to the former site of Buchenwald concentration camp where he’d been imprisoned during World War Two, for being gay in Nazi Germany.

In never previously broadcast recordings, taped by Jean-Luc Schwab, who wrote Rudolf’s biography, we hear Rudolf’s reaction to returning as a 95-year-old man.

Jean-Luc Schwab who became friends with Rudolf in the last few years of his life, speaks to Reena Stanton-Sharma.

This programme contains distressing details.

(Photo: Rudolf Brazda. Credit: Frederick Florin/ Getty Images)