[1] It is listed on many sites as being the work of Mies van der Rohe; however, he died in 1969 before the building could be opened in 1977.

[2] The building was originally built to be both the western headquarters of now defunct Mutual Benefit Life Insurance Company[3] and an IBM office.

It was acquired by Shorenstein Properties, who sold the building for $49.5 million in 2004 to Hines Interests Limited Partnership and GE Real Estate.

In turn, they sold the structure for $75 million to Franklin Street Properties Corp in December 2007.

It also houses Missouri's Federal Immigration Court.