Given name: Izaak Family name: Zuckermann

He is a leader of one of the ZOB (Jewish Fighting Organization) units during first fights in the ghetto during the Second Action. He is one of the Jewish activists, he often goes to the 'Aryan side' to visit sisters Anna Wachowska and Maria Sawicka. Antek is Wladka's contact in the Committee: he gives her details of the mission in the Kielce region. Thanks to his contacts, the fighters who survived the ghetto find their place in the People's Army (Armia Ludowa). After the uprising, he was hiding in the rented flat at Leszno Street No. 18 together with Cywia, Edelman and others.