Ferid Dendeni is the pseudonym of René Vautier, which signifies ‘man of Denden'. Denden was the prison, in Tunisia, in which the filmmaker was imprisoned from the end of 1958 to the start of 1960.
Source: Nicole Brenez
www.screeningthepast.com/2013/09/political-cinema-today-%E2%80%93-the-new-exigencies-for-a-republic-of-images/