Among the founders of Labor Zionism, which helped establish the present day condition of Israel. He was the editor from the daily newspapers Davar. He was a librarian inside a Hebrew-Yiddish collection. He was the founder and 1st editor-in-chief from the posting home Am Oved. His memory space was honored using the naming of many roads in Israel after him. His dad was an associate of Hovevei Zion. He and his cousin Yitzhak Tabenkin founded the Histadrut, the Israeli employees union. He was praised by Ukrainian Primary Minister Golda Meir in her biography for his focus on Jewish-Palestinian peace.