Given name: Lejzor Family name: Szerszeń

Came from a lower middle-class Hasid family. His parents had an ironware warehouse in the Warsaw district. He supplied factories in metals and other raw materials. Religious, practising, didn't speak Polish. Before the January Action, he worked in Nuss's shop. During a round-up in 1942, he was taken with whole his family. He went to Treblinka, where he was a porter of corpses from the gas chamber to the mass graves. In February 1943, he escaped from Treblinka. In the uprising - commander of the ruin dwellers (gruzowcy) combat group. He hides with Najberg combat group. At the end of June, he is against going to the Hotel Polski. On 14 July, chosen by the group to leave the ghetto - refuses, explaining that he his appearance is too Semitic. He hides with Najberg combat group in Nalewki Street; later, from 18 August - in Pawia Street. In September, he treated the fact that they were alive as a sign of God's will, he still believes in God. On 26 September, he crosses through the wall to the 'Aryan side'.