Jules Fisher is a Tony award winning lighting designer for plays and theater. He has worked on shows with Harry Blackstone Jr and Ricky Jay, among others. The wikipedia article about him says he is from Norristown, PA.
Mad Magazine started out as a comic book. The first 23 issues were in that format, and #24 was the first magazine style issue. The last comic issue has a letter from one Jules Fisher, of Norristown, PA. Coincidence?