The four figures depicted at the top of this poster are (left to right):

Basil Al Koubaisi - Popular Front for the Liberation of Palestine (PFLP) member involved in Munich massacre 

Gunned down on a Paris street on 6 April 1973

Mohamed Boudia -  Algerian militant and Popular Front for the Liberation of Palestine (PFLP) member 

Killed in Paris on 28 June 1973. 

Mahmoud Al Hamshari - coordinator of the Munich massacre 

Killed on 8 December 1972 by a bomb planted in his telephone

Mahmoud Saleh - Former representative of the Palestine Liberation Organization

Killed in Paris on 3 January 1977