The devotion of the Carvajal women to forbidden Jewish practices helped their family become the most famous Hispano-Portuguese secret Jews of colonial Latin America. The determination of these conversas, or New Christians, to create a recognizable Jewish identity shows the importance of women to crypto-Judaism at a time when the Inquisition of Spain and its territories prosecuted this belief system as heresy.

Berta Blejman de Drucaroff was a prominent activist of the Yiddisher Kultur Farband (YKUF/ICUF) and a communist militant in anti-fascist organizations. She was president of the YKUF Women's Organization (OFI) and the main promoter of the reading circle network (leien kraizn) in Argentina.

Lía Gilinski de Kogan, known as Leike Kogan (1911-2001), was a prominent activist in the Yiddisher Kultur Farband (YKUF/ ICUF) and its women's movement (Organización Femenina del ICUF, OFI), linked to the Yiddish-speaking section of the Argentine Communist Party. She stood out as a leader and teacher in the schools belonging to this network.

Mina Fridman Ruetter (1922-2003), an Argentinean-born Jew, was the most prominent leader of the Yiddisher Kultur Farband (YKUF) beginning in the 1970s. She studied and worked as a writer, teacher, and translator in organizations linked to the Communist Party and the Soviet Union. She was a highly visible leader and the disciple of YKUF intellectuals such as Pinie Katz and Samuel Gordon.