His novel Zäpfel Kerns Abenteuer was an adaptation of Carlo Collodi's Pinocchio.
In 1936 – as art director for CAIR (Cartoni Animati Italiani Roma) – he directed The Adventures of Pinocchio, which is believed to be the first cartoon movie dedicated to the novel by Carlo Collodi.
Having defended the diploma ("Pinocchio" by Carlo Collodi), he had worked as an animator for some years in different studios of Moscow.
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In 1911, he created seventy-seven drawings and eight watercolour plates for Carlo Collodi's Pinocchio, a volume which remained the definitive edition and in print for decades.
In addition to writing screenplays, articles and reviews, Kaleb was also a translator, his most notable work being the translation of Carlo Collodi’s Pinocchio.
Deeply influenced by the main protagonist of the 1883 children's novel The Adventures of Pinocchio, by Carlo Collodi, an Italian writer, he tried to imagine a different destiny for Pinocchio, which was guilty, according to Jervolino, of being a traitor towards his father, Geppetto.