W dniu 18 września 1946 r. odkopano pierwszą część Podziemnego Archiwum Getta Warszawy
On 13 September 1942, Abraham (Jakub) Krzepicki escaped from the Treblinka II extermination camp
JJózef Kapłan was a Hashomer Hatzair activist. He was invited to join the Oneg Shabbat by Ringelblum himself in 1942. On September 3, 1942, Kapłan was arrested and imprisoned at the Pawiak. He was executed in the ghetto, inside the gate of a house on Dzielna Street, on September 11.
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
On 3 August 1942 two students of the Ber Borochov school at 68 Nowolipki street – Dawid Graber and Nachum Grzywacz, along with their teacher Izrael Lichtensztajn, hid the last section of the first part of the Ringelblum Archive