Given name: Jacek,Jakub Family name: Fajgenblat
Before the war a secretary of a Gordonia cluster in Warsaw. During the Uprising commanded a Gordonia combat group in the area of Toebbens' and Schultz's shops in Leszno Street. On 29 April they left through the sewers and joined a guerrilla fighters in the forests near Wyszkow. At the beginning of 1944 returned to Warsaw with Guta Kawenoki, who was ill. They were hiding together with Zygmunt Igla on Grzybowski Square No. 6. When the Gestapo came to arrest them, the insurgents started to defend themselves. All three of them died.