Haas was born at Leonding near Linz in Austria-Hungary[1] into a rich family.
His grandfather was a doctor and his father Eduard Haas II owned a flourishing grocery store.
As an adolescent, Haas patented a light baking powder mixture for Gugelhupf cakes, developed after a recipe left by his grandfather.
In 1952, Haas shifted his base to New York City where he developed a fresh marketing scheme aimed at children.
The new Pez featured varying dispensers with popular figures as "flaps" and colored mints.