Yitzhak Rabin was Israel's former IDF Chief of Staff, the fifth Prime Minister of Israel, and Nobel Peace Prize laureate.

Established in 1930, the Mapai party resulted from the union of two parties: Ahdut HaAvoda and HaPoel HaTzair. The left union was not complete, as Hashomer Hatzair and Poalei Zion Smol (Left) were left out of the union.

Berl Katznelson was one of the intellectual founders of Socialist Zionism, instrumental in the establishment of the modern state of Israel, and the editor of Davar.

David Ben-Gurion (born David Grun) was an Israeli politician and the first Prime Minister of the State of Israel.

Ha'poel Hatzair is the first Zionist socialist party founded in the Land of Israel in 1905 by Russian Jewish immigrants. The party's goals were Zionism's realization and the creation of a working Hebrew society. The party considered it a duty to embrace productive (industrial and agricultural) labor work in settlements and to work on Hebrew language revival.

Ahdut Ha'Avoda was a socialist Zionist party. It was founded in 1919 as a union of the "Poalei Zion" party headed by David Ben-Gurion and the "non-partisan" workers.