Marcus Pfister is a Swiss author and illustrator, best known for his children's book series featuring "The Rainbow Fish". Born in Bern, Switzerland, in 1960, Pfister has created numerous books since his debut as an author and illustrator. "The Rainbow Fish", published in 1992, is his most famous work and has been translated into numerous languages, captivating children with its vibrant illustrations and a moral lesson about the value of sharing and friendship. The success of this book spawned several sequels and has made Marcus Pfister a beloved figure in the realm of children's literature. His signature style often incorporates colorful, shimmering foil stamping, which became a defining feature of The Rainbow Fish series.