Inventor of the Telephone
Inventor of the Traffic Signal and Gas Mask
Revolutionized Automobile Manufacturing
Inventors of the First Successful Airplane
Introduced the Printing Press to Europe
Prolific Firearms Inventor and Designer
Pioneer of Computer Programming
Discoverer of Penicillin
Co-Inventor of the Post-it Note
Inventor of the Enigma Machine
Pioneers of Cinematography and Film
Inventor of Papermaking in Ancient China
Pioneer of Early Mechanical Computers
Pioneer of Mechanical Television
