Question: Magneto is a character partly created by the comic book artist and editor of what nationality?
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