Tetsujin 28 created by Mitsuteru Yokoyama or Gigantor, as we know it in the west, is the first or one of the first mecha anime

Reflecting on Mecha Anime, myself, the fandom, and other Anime
Tetsujin 28 created by Mitsuteru Yokoyama or Gigantor, as we know it in the west, is the first or one of the first mecha anime