Nyorai kupfuurira kweiyi ndima - Kronenberg akatsigira mari kumukira kwaJanuary
ra1863 vachirwisa vaRussia. Pashure pokukundikana kwokupandukira uku, akava mumiriri weboka ra"vachena" iro raifarira kuwirirana navaRussia. Muna 1870, Kronenberg akatanga Bank Handlowy, bhangi rezvokutengeserana reWarsaw, uye muna 1875 akatanga Warsaw School of Economics. Iyewo akatanga Credit Corporation yeWarsaw, Industrial Cashier, Warsaw Fire Insurance Company, Coal Mine Association uye Metallurgical Works.