Karol attended schools in Sambor and Lwów; in that period Szajnocha adopted the polonized version of his name (gradually changing his signature from Scheynoha de Wtellensky, to Szejnoha de Wtellensky, to Szajnocha) [REF].
Szajnocha became a private tutor as well as journalist and an editor of several important Polish publications in Lwów (he was connected, amongst others, to Dziennik Mod Paryskich, Tygodnik Polski, Rozmaitości, and Dziennik Literacki) [REF].