Karol Kuczaty was born on 5 November 1905. During World War II he lived in Radlin (Silesia Province). He was married to Emilia (née Bakoniewska) born on 9 November 1919. The Kuczty couple gave shelter and help to five people of Jewish origin: Mani Kapuszczewska, her son Jan, Nathan Fredenberg, Berenice and Leon Graudens. Karol died on 19 February 1945.

Karol and Emilia were awarded the title Righteous Among the Nations in 1991.