Originally known as the First Wisconsin Building. The First Wisconsin Building was built in 1973 and was designed by Skidmore, Owings, and Merrill of Chicago. The First Wisconsin Building is the tallest building in the state of Wisconsin. (42 floors - 601 ft.). - sys, 12/26/1999
According to skyscrapers.com, it has 5000 windows - Joshua Tan, 01/20/2002
