During World War II, he signed the Volksliste, but his exact whereabouts at that time are not known.
Karol Szymanowski | Karol Kuryluk | Karol: The Pope, The Man | Karol Świerczewski | Karol Podczaszyński | Karol: A Man Who Became Pope | Jakub Karol Parnas | Karol Mikuli | Karol Libelt | Karol Adamiecki | Karol Stanisław "Panie Kochanku" Radziwiłł | Karol Sabath | Karol Pniak | Karol Olszewski | Karol Martesko-Fenster | Karol Lipiński | Karol Lanckoroński | Karol Kurpiński | Karol Kossok | Karol Hubert Rostworowski | Karol Divín | Karol Borsuk |
During this period Katowice was well known for its excellent players: goalkeeper Emil Goerlitz, who was the first footballer from Upper Silesia to play for the Polish national team; defender Erich Heidenreich, regarded as one of the best backs in Europe, who refused to play for Poland citing his German heritage; and forward Karol Kossok, another Polish national who went on to become the top scorer for the clubs Cracovia Kraków and Pogoń Lwów.