Black Jack (ブラック・ジャック, Burakku Jakku?) is a manga written by Osamu Tezuka in the 1970s, dealing with the medical adventures of the eponymous doctor Black Jack.

Black Jack consists of hundreds of short, self-contained episodes that are typically about 20 pages long. Black Jack has also been animated into an OVA, two television series (directed by Tezuka's son Makoto Tezuka) and two movies. Black Jack is Tezuka's third most famous manga, after Astro Boy and Kimba the White Lion. In 1977, it won the 1st Kodansha Manga Award for shōnen.

Source: Wikipedia