Given name: Icchak, Lajb Family name: Grynberg
- Icchak, Lajb
Pre-war correspondent of the Gazeta Ludowa, from Gdansk. In the ghetto, between the first and the second action, he administered the factory of artificial honey and sweets, in the courtyard of Franciszkanska Street No. 30.
No detailed data from when the factory of artificial honey existed in the ghetto.