Who do you believe is the greatest engineer that has ever lived ?
A.D. Blumlein, Ada Lovelace, Alan Turing,
Alexander Graham Bell, Archimedes, Elijah McCoy,
Gustave Eiffel, Hero of Alexandria, Isambard Kingdom Brunel,
James Oliver, James Watt, John A. Roebling, John Stevens,
Leonardo da Vinci, Nikola Tesla, Thomas Edison
Wilbur and Orville Wright