Rudolf Gelbard (4 December 1930 – 24 October 2018)[1] was an Austrian Holocaust survivor and political campaigner against anti-Semitism and neo-Nazism.

[5] After his liberation from Theresienstadt concentration camp, Gelbard fought to oppose anti-Semitism and neo-Nazi activities.

[4] He was a member of the Federation of Social Democratic Freedom Fighters, during which time he campaigned for education in schools about Nazi war crimes.

The film was produced by Kurt Brazda [de], and titled Der Mann auf dem Balkon, Rudolf Gelbard, KZ-Überlebender – Zeitzeuge – Homo Politicus (The Man on the Balcony' Rudolf Gelbard, Concentration camp survivor – eyewitness – Homo Politicus).

[1][2][3][7] Speaking about Gelbard's death, Austrian President Alexander Van der Bellen said that "Austria has lost an important witness of the Shoah, a vigilant warning voice against anti-Semitism and a committed fighter for democracy.

"[7][8] Gelbard was buried in the Vienna Central Cemetery in a tomb of honour provided by the City Council.