Olga Hankin was a feminist, professional midwife and Zionist activist who, together with her husband, Yehoshua Hankin, was responsible for most of the major land purchases of the Zionist Organization in Ottoman Palestine and Mandatory Palestine. While he became known as a prominent "redeemer of lands" (Hebrew) גואל האדמות she, too, was instrumental in this work.

Israel Belkind was a Jewish educator, author, writer, historian and founder of the Bilu movement. A pioneer of the First Aliyah, Belkind founded the Biluim, a group of Jewish idealists aspiring to settle in the Land of Israel with the political purpose to redeem Eretz Yisrael and re-establish the Jewish State on it.