Question: Curtis Allina added heads to the design while he was executive of a company of what nationality?
Sentence (from "Pez"): The candy is a pressed, dry, straight-edged, curved-corner block (15 mm (5/8 inch) long, 8 mm (5/16 inch) wide, and 5 mm (3/16 inch) high), with Pez dispensers holding 12 Pez pieces.
Relevant evidence: No