It was Comenius who popularized the picture book for educational purposes, who wrote the first textbook to employ pictures as a teaching device. Whenever he could not bring into the classroom the actual object that was to be the subject of discussion, he used pictures, charts, diagrams, maps and models. What revolutionary ideas! Universal compulsory education for the youth of both sexes! Teaching all things to all people—a truly liberal concept that would broaden perspectives after a narrow Latin