Sears (Willis) Tower, Chicago, Illinois, Elevations
n.d
Skidmore, Owings & Merrill (American, founded 1936) Bruce Graham (American, born Colombia, 1925–2010) Fazlur Khan (American, born Bangladesh, 1929–1982)
United States
Zip-a-tone on sepia
n.d
Skidmore, Owings & Merrill (American, founded 1936) Bruce Graham (American, born Colombia, 1925–2010) Fazlur Khan (American, born Bangladesh, 1929–1982)
United States
Zip-a-tone on sepia