There's a warning on the reply screen advising me to start a new topic, but what the heck, I'm willing take on the danger and bump this topic.
Osgood Peabody put a link to a page by Mark Evanier on the Marvel Masterworks MB, but I thought it was worth bringing to the attention of Superman fans. Evanier talks about the genesis of a certain panel in one of Kirby's Olsen stories
here.
What interests me about this little item is that Jimmy Olsen was bumped to a monthly. It's interesting because Kirby wasn't told about it ahead of time and it's interesting that Kirby actually kept the book on schedule.
Personally, I would have been happy if DC had made up the difference by putting out Giant reprints of old Olsen tales. But it shows what a workhorse Kirby was and that his work on Jimmy was really popular. This is in stark contrast to the other Fourth World books that were kept on a bi-monthly schedule and ultimately met their demise.
It seems that Kirby left Jimmy of his own choosing, but Jack and DC probably would have been better off if he had stayed on some of DC's big name characters (and yes, at the time, Jimmy was a big name character).