“To Monsieur Eiffel the Engineer, the brave builder of so gigantic and original a specimen of modern Engineering from one who has the greatest respect and admiration for all Engineers including the Great Engineer the Bon Dieu.”

Thomas Edison
Original source
When Thomas Edison visited the Eiffel Tower during the 1889 World's Fair, he signed the guestbook with this message, as quoted in The Tallest Tower by Joseph Harris, p. 95

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