Marie Schmolka was a Czechoslovak Jewish activist and social worker who helped political refugees and Jewish adults and children escape the Protectorate of Bohemia and Moravia in the lead-up to World War II. She was a member of WIZO and WILPF. She had previously helped refugees from Germany who fled to Czechoslovakia after the Nazi rise to power. Schmolka headed the newly founded Czechoslovak Refugee Committee, and also chaired local HICEM. In July 1938, she represented Czechoslovakia at the Évian conference.

Doreen Agnes Rosemary Julia Warriner was an English development economist and humanitarian. In October 1938, she journeyed to Czechoslovakia to assist anti-Nazi refugees fleeing the Sudetenland, recently occupied by Germany. She became the head of the British Committee for Refugees from Czechoslovakia in Prague which helped 15,000 German, Czech, and Jewish refugees escape Czechoslovakia while the country was being occupied and annexed by Nazi Germany in 1938 and 1939. Told that she would be arrested by the Germans Warriner departed Czechoslovakia on 23 April 1939. She was awarded an OBE in 1941. After the War, she was an academic at the School of Slavonic and East European Studies.