Tvůrci nezjištěni.
Pro BBC připravil Manchester Production v roce 2016. Premiéra 22. 1. 2016 (BBC Radio 4, 9:50 h.; 11 min.). K poslechu zde.
Lit.: anonym: Witness. In BBC Radio 4, leden 2016 (anotace + nahrávka k poslechu). – Cit.: In January 1969 hundreds of thousands of people lined the streets to mourn student activist, Jan Palach, who had set himself alight in protest at the crushing of Czechoslovakia’s ‚Prague Spring‘. Hear from two of the students who helped organise his funeral, and the priest who spoke.