The building originally had parking on the 2nd through 22nd floors.[3] During the building's first 14 years the building had a 22 story car lift that facilitated safe transfers for jewelrymerchants.[2] Former names of this building were, in sequential order, Jewelers Building, Pure Oil Building, and North American Life Building.[6]
^ Saliga, Pauline A. (ed.), "The Sky's The Limit: A Century of Chicago Skyscrapers," 1990, Rizzoli International Publications, Inc., ISBN 0-8478-1179-4.