They were contemporaries, living and working at the same time in the same country, and focused on the same topic—tooth decay. But they took totally different paths and their contributions were worlds apart. Weston A. Price was a dentist, world traveler and humanitarian who valued what people could teach him. He lived large and his laboratory was the world. Gerald Judy Cox, a chemist, involved in all that chemistry could bring, never stepped far from his lab rats. Although he traveled in the U.S. to professional meetings, he lived in Pennsylvania for most of his life.