Hayim Greenberg (חַיִּים גרינברג; 1889, Bessarabia - 1953) was a US Judaism thinker and Labor Zionist thinker. He was the head of poalei Zion and he was the editor along with Marie Syrkin of the important American Zionist Journal "Jewish Frontiers." Its writers included David Ben-Gurion, Moshe Shertok, Sholom Asch and Maurice Samuel. He edited a literary journal Kadima in Kiev in 1920 with Koigen and Fischel Schneerson.
There are centers named after him in Argentina, United States, and Israel.
Read more about Hayim Greenberg: Essays and Ideology, Events, Response To Gandhi, Literary Works