He’d just tighten his headband and draw them. Tezuka never skimped on time and energy for his works. If the editor gives me the thumbs-down, then I come up with another four and ask the editor to choose from them.” In their book “Black Jack Sosaku Hiwa” (literally, “Unknown episodes behind the creation of Black Jack”), co-authors Koji Yoshimoto and Masaru Miyazaki quote Tezuka as saying, “I think up four ideas. Still, he somehow managed to come up with several story ideas for the series on the genius doctor without a license. Having just pulled an all-nighter finishing another work, Tezuka’s brain had turned to mush and he had his back to the wall. There was a time when manga artist Osamu Tezuka (1928-1989) hadn’t even started working on the latest episode of his iconic “Black Jack” series on the copy deadline day.