The club established the following aims : Past Presidents of PEN International have included Alberto Moravia , Heinrich Böll , Arthur Miller , Mario Vargas Llosa , Homero Aridjis and Jiří Gruša .
The club established these goals : Past Presidents of International PEN have included Malcolm Afford , Alberto Moravia , Heinrich Böll , Arthur Miller , Mario Vargas Llosa , Homero Aridjis and Jiří Gruša .