There are several regular associates of Oneg Shabbat who we have little information about. Izrael Winnik is one of them. There is only one typescript signed with his name in the Archive
Gustawa Jarecka
Cecylia Słapakowa
22 July 1942 marks one of the most tragic dates in the history of people of Warsaw. Germans had begun deportations from the Warsaw Ghetto to Treblinka