Gian by Yukio Izumi - [Fun 5th grader] by Kodansha pg21

Original page by Yukio Izumi a.k.a. Hiroshi Yamada
Gian - published in [Fun 5th grader] Kodansha (April 1961 > March 1962)
Yukio Izumi was a very prolific mangaka and therefor can be found in all major manga magazines (between 1957 and 1974)
He started his career in rental Manga (1957) and evolved into mangazines like Shonen Gaho, Manga King, Adventure King, Shonen King, Ribbon etc ...
The presence of robots in his stories is almost inevitable, his titles read like pure sci-fi and always appeal to the imagination;
Decisive Battle in the sky, Tank Boy, Space Rocket War, Majutsushi and the Boy Detectives, The Phantom with Twenty Faces and the Boy Detectives, Genkotsu G Men, Nazuma Unit, Type 0 Fighter 104 ...