"The major focus of Kael's essay is its defense and celebration of screenwriter Herman J. Mankiewicz as the principal, neglected creative force behind Kane," Rosenbaum wrote.
Kael wrote that Mankiewicz "had ample proof of his authorship, and he took his evidence to the Screen Writers Guild and raised so much hell that Welles was forced to split the credit and take second place in the listing."[REF]