Cook County Administration Building

[1] The building, engineered by Fazlur Khan of the firm Skidmore, Owings & Merrill, is notable for innovating the tube-within-a-tube structural system.

[2] This was the first building to utilize the shear wall frame interaction system conceptualized by its engineer, Fazlur Khan of the firm Skidmore, Owings & Merrill.

[5][6][7] The fire was started in a supply room[8] by a faulty light fixture and resulted in the deaths of six people.

[9][10] The City of Chicago, in addition to several other defendants, paid $100 million to the families of the six victims after litigation,[11] citing multiple failures.

In the film National Lampoon's Christmas Vacation, the building is shown in establishing shots as Clark Griswold's workplace as a chemical engineer at a food company.