Complex sentence: He is considered to be the forefather of fabulism, predating writers such as Gabriel García Márquez, Italo Calvino and Julio Cortázar, who all note Hernández as a major influence.
Split into simpler sentences: He is considered to be the forefather of fabulism, predating writers such as Gabriel García Márquez, Italo Calvino and Julio Cortázar. Marquez, Calvino and Cortázar all note Hernández as a major influence.