<Tr> <Th_colspan="2"> References </Th> </Tr> <Tr> <Td_colspan="2"> I. ^ Eiffel Tower at Emporis </Td> </Tr> <P> The Eiffel Tower (/ ˈaɪfəl ˈtaʊ. ər / EYE - fəl TOW - ər; French: tour Eiffel, pronounced (tuʁ ‿ ɛfɛl) listen) is a wrought iron lattice tower on the Champ de Mars in Paris, France . It is named after the engineer Gustave Eiffel, whose company designed and built the tower . </P> <P> Constructed from 1887--89 as the entrance to the 1889 World's Fair, it was initially criticized by some of France's leading artists and intellectuals for its design, but it has become a global cultural icon of France and one of the most recognisable structures in the world . The Eiffel Tower is the most - visited paid monument in the world; 6.91 million people ascended it in 2015 . </P>

Who was involved in building the eiffel tower