Margalit-Kalvarisky was an agronomist who purchased tracts in the Galilee and served as an administrator for the Jewish Colonization Association. He advised the British authorities and served in the Yishuv leadership in the 1920s. He promoted acceptance of Zionism among Palestinian Arabs in the 1920s and 1930s. In his later years he tried to mediate between the Zionist Organization and Arab nationalists.
Photo: Central Zionist Archives