Question: What was the birth name of the man that created "Fourth World"?
Sentence (from "Jack Kirby"): Jack Kirby ( ; born Jacob Kurtzberg ; August 28, 1917 – February 6, 1994) was an American comic book artist, writer, and editor, widely regarded as one of the medium's major innovators and one of its most prolific and influential creators.
Relevant evidence: Yes