Das Nilpferd (Der Regenbogen)
Uriel Birnbaum was born in Vienna as the son of Nathan Birnbaum, the Jewish philosopher that introduced the word "zionism". Uriel Birnbaum was heavilly injured during World War I and remained invalid. From 1916, he was active as a illustrator, poster artist, painter and poet in Vienna.
Between 1922 and 1924 he made a series of sequential paintings that told the story of Moses. Birnbaum made illustrations and wrote and illustrated comic pages for the children's magazine Der Regenbogen in 1925-26. After the "Anschluss" of Austria with Nazi-Germany, the Birnbaum family fled to The Netherlands. Uriel Birnbaum died in Amersfoort in 1956.