What was the designer of XXX's name?
330 North Wabash
330 North Wabash (formerly IBM Plaza also known as IBM Building and now renamed AMA Plaza) is a skyscraper in downtown Chicago, Illinois, United States, at 330 N. Wabash Avenue, designed by famed architect Ludwig Mies van der Rohe (who died in 1969 before construction began).
Ludwig Mies van der Rohe