| 1. | According to Filip Müller, Leon Cohen and the historian and fellow prisoner Hermann Langbein, who actively participated in the preparations for the Sonderkommando Uprising, alongside Yaacov Kaminski, Jankiel Handelsmann, Jukl Wrobel, Josef Warszawski, a man named Wladek, Giuseppe Baruch and Zalman Gradowski, among others.
Selon Filip Müller, Leon Cohen et l'historien Hermann Langbein, il prendra activement part à la préparation de l’insurrection du Sonderkommando aux côtés, entre autres, de Yaacov Kaminski, Jankiel Handelsman, Jukl Wrobel, Josef Warszawski, Wladek, Giuseppe Baruch et Zalmen Gradowski. |
