A wireless with pictures.
The car maker who made motors for the masses and introduced the factory assembly line
Wilbur and Orville Wright and their contribution to the history of aviation
How Edison's methods of research led to the light bulb and the record player
How Mendel's study of peas led to him becoming one of the founders of modern biology
Jenner and the folk belief that led to the eradication of smallpox
Sending messages without wires, Guglielmo Marconi's role in the communications revolution
How Bell's interest in sound and work in telegraphy led to the invention of telephones