William Turnier was responsible for designing the Oreo. He initially worked at the company mailroom, shadowed creative employees within the company and learned industrial engineering. He was later asked to update Oreo's design.

The design goes back to monks in Medieval times. The monks used the design on the bottom of manuscripts copied. It was a sign of craft, saying they did the best they could. The company liked the look and the meaning, and Oreo received its new design.

Food scientist Sam J. Porcello invented the newer version of the Oreo. He was one of the world's foremost experts on cocoa and helped develop the extra indulgent chocolate and white chocolate-covered Oreo.

The original recipe for Oreo cookies contained lard (pork fat). With the changing cl...