Chihiro Iwasaki (いわさき ちひろ (岩崎 知弘), Iwasaki Chihiro; 15 December 1918 – 8 August 1974) was a Japanese artist and illustrator best known for her water-colored illustrations of flowers and children, the theme of which was "peace and happiness for children".
Source: “Chihiro Iwasaki”, English Wikipedia (CC BY-SA 4.0), excerpt