Cika wannan jumla: Kronenberg ya ba da tallafin kuɗi ga
Tashin watan Janairu na 1863 a kan Rasha. Bayan gazawar wannan tawaye, ya zama wakilin kungiyar "farar fata" wanda ya fi son sulhu da Rasha. A cikin 1870, Kronenberg ya kafa Bank Handlowy, bankin kasuwanci na Warsaw, kuma a cikin 1875 ya kafa Makarantar Tattalin Arziki ta Warsaw. Ya kuma kafa Kamfanin Credit na Warsaw, Kasuwancin Masana'antu, Kamfanin Inshorar Wuta na Warsaw, Kungiyar Ma'adinan Coal da Kamfanonin Metallurgical.