Complex sentence: In 1958, after eleven unprofitable issues, "Humbug" also came to an end, with Kurtzman disillusioned and cynical about the business end of publishing, and struggling financially.
Split into simpler sentences: In 1958, after eleven unprofitable issues, "Humbug" also came to an end. Kurtzman was left disillusioned and cynical about the business end of publishing, and struggling financially.