Claim: Second Leiter Building located was built in 1891 in America by architect William Le Baron Jenney.
Evidence: 1891 William Le Baron Jenney Chicago, Illinois Built in 1891 by Levi Z. Leiter, (1834-1904), the Second Leiter Building was designed by architect William Le Baron Jenney, who implemented the skeletal frame made of steel to make the design fireproof. Chicago (/ʃɪˈkɑːɡoʊ/ (listen) shih-KAH-goh, locally also /ʃɪˈkɔːɡoʊ/ shih-KAW-goh), officially the City of Chicago, is the most populous city in the [[U.S._state|U.S.