A pair of towers this man designed are connected at the 41st and 42nd story by a skybridge and end in controversial spires that allowed them to slip past Sears Tower and take the title of world's tallest building until 2004.
In 2005, this architect finally expanded his firm's name to recognize his chief collaborators: his son Rafael and Fred W. Clarke. On Thanksgiving Day 1982, arsonists destroyed the Northwestern National Bank, which cleared space in Minneapolis for a building this man designed with bright yellow lights illuminating the highest setbacks. This architect of the Wells Fargo Center designed a complex that includes a [*] "Red Center" and "Green Center" alongside the "Blue Whale." Due to crappy bedrock, a building designed by this architect of the Pacific Design Center has the deepest foundation in the world. A pair of towers this man designed are connected at the 41st and 42nd story by a skybridge and end in controversial spires that allowed them to slip past Sears Tower and take the title of world's tallest building until 2004. For 10 points, name this designer of Kuala Lumpur's Petronas Towers. 
In 2005, this architect finally expanded his firm's name to recognize his chief collaborators: his son Rafael and Fred W. Clarke.
Cesar Pelli