Chicago Stock Exchange Trading Room - The Art Institute of Chicago, Chicago, Illinois
Louis Sullivan & Dankmar Adler -1894
photo: David Castenson

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Chicago Stock Exchange Trading Room - The Art Institute of Chicago, Chicago, Illinois
Louis Sullivan & Dankmar Adler -1894
photo: David Castenson
Open House Chicago 2025
Auditorium Hotel (Roosevelt University), Chicago
430 S. Michigan Ave.
Adler and Sullivan, 1889
My photos from 10-18-2025, with archival photos in black and white
This is the first time that Roosevelt University has opened its interior for Open House Chicago. It is a rare treat, as this building is never open to the public. The university occupies a portion of the tripartite Auditorium Building: the original Auditorium Hotel, Auditorium Theater, and office building. The architectural firm of Adler and Sullivan had its offices in the tower portion of the building.
Auditorium Hotel entrance
Arch and ornament, hotel lobby
Carved wood detail, hotel lobby
Main stairway, lobby
2nd floor Sullivan Room, fireplace
View of stairway from 2nd floor
Architectural detail, 2nd floor Fainman Lounge
Ganz Hall, 7th floor
Ganz Hall electroliers
Roosevelt University Library, originally hotel dining room, 10th floor
Original hotel dining room, now university library
Columns separating original dining room from private dining rooms
Archival photo showing columns and dining areas
Hotel lobby, pair of arches
Louis H. Sullivan y Dankmar Adler. Auditorium Building (Chicago, 1886-89)
The Guaranty Building, Buffalo, New York. Dankmar Adler & Louis Sullivan, architects, 1896. Photo 2019 Bauzeitgeist.
More photos and background on the building here
The Auditorium Building in Chicago designed by Louis Sullivan and Dankmar Adler. Completed in 1889
Chicago Stock Exchange Trading Room
Louis Sullivan & Dankmar Adler -1894
photo: David Castenson
Dankmar Adler house 3543 S Ellis in 1955 and 1961. The building was torn down shortly after the picture in 1961. Dankmar Adler was the Architect partner of Louis Sullivan.
Auditorium Theatre wins award for extensive, decades-long historic preservation effort >>