David Isaac Florentin (1874–1941) was a prominent journalist in Salonica , his birthplace, and a key figure in the Greek Zionist movement. Florentin received a religious education and graduated from an Alliance Israélite Universelle school. He knew several European languages and was a prolific translator of serialized fiction.

In 1897, in the wake of the Dreyfus Affair, Florentin together with Moses Aaron Mallah founded a major Ladino periodical, El Avenir (The Future). It continued until 1916, and from 1909 received funding from the World Zionist Organization (WZO). El Avenir bega…