Witold Bieńkowski (alias Wencki) was born in 1907. Son of Grzegorz and Emilia (née Bzowska). During WWII, he lived in Warsaw. On behalf of the Polish Renaissance Front, he was a co-organiser of the Provisional Committee for Aid to the Jews, and later of the Council for Aid to the Jews. Witold Bieńkowski passed away in 1965 in Warsaw.