Ferdo Delak (1905–1968) was a theatre director and– reformer. He was an active constructor of the second generation of futurism with his own dramatic and publicising activity. Despite his enthusiasm for futurism, he was also open to other European avant-garde stylistic formations at the beginning of the 20^th century. Russian Constructivism was particularly important to him.

In his first artistic period he worked in the field of avant-garde theatre methods. He was editor of the international art review Tank. With his editorial approach, he came very close to the art review Zenit, which had already been coming out for several years in Zagreb and Belgrade. He also had close relations with the editor of the Berlin review Der Sturm, Herwarth Walden. At the end of the 1920s, he entered into important correspondence, which resulted in the issuing of a special edition of Der Sturm entitled Junge Slowenische Kunst (1929). The title of the lecture that Ferdo Delak held in 1929 to celebrate Walden’s fiftieth birthday was Neue Slowenische Kunst.

Delak’s key work of synthetic theatre was the review Novi oder (New Stage).