The Eiffel tower was built by which of the following?

The Eiffel Tower is a wrought iron lattice tower on the Champ de Mars in Paris, France. It is named after the engineer Alexander Gustave Eiffel, whose company designed and built the tower. It took just two years, two months and five days to build the Eiffel Tower. Construction work began in January 1887 and was finished on 31 March 1889. Alexandre Gustave Eiffel was a French civil engineer and architect.